List questions from multiplicative-function

Published on 12 Sep 2012 - 1:48

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inverse,multiplicative inverse and Congruence of a prime field

Published on 29 Sep 2012 - 19:12

116

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calculating storage based upon on eps?

Published on 08 Nov 2012 - 9:05

34.8k

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How to find the nearest multiple of 16 to my given number n

Published on 31 Jan 2013 - 17:01

179

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Composing Morphisms with Morphisms

Published on 26 Feb 2013 - 22:29

4.2k

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Proving $ \phi(mn)=\phi(m)\phi(n) \frac k{\phi(k)}$

Published on 24 Mar 2013 - 5:01

116

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how to find $n\in \Bbb N$ such that: $\tau(n)$is odd

Published on 24 Mar 2013 - 19:10

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$\sum_{d|n}(-1)^{\frac nd}\phi(d)={}$?

Published on 25 Mar 2013 - 8:59

362

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$\tau(n)\phi(n)\ge n$

Published on 25 Mar 2013 - 9:07

184

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How to find: $g(n)= \sum_{d|n}\frac{\phi(d)}d=?$

Published on 26 Mar 2013 - 7:00

103

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Is this function multiplicative and if so what is its value at prime powers?

Published on 28 Aug 2020 - 18:48

90

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Is $\frac{\sigma(n)}{{2n}}$ submultiplicative or supermultiplicative?

Published on 31 Aug 2020 - 4:17

473

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Efficient summation of multiplicative functions on intervals

Published on 23 Feb 2026 - 2:54

89

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A question in solution of a problem involving multiplicative functions

Published on 18 Oct 2020 - 8:49

80

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2.20 Question Introduction to analytic number theory

Published on 18 Oct 2020 - 10:47

List Question

Modular multiplicative inverse and coprime numbers needed.

inverse,multiplicative inverse and Congruence of a prime field

calculating storage based upon on eps?

How to find the nearest multiple of 16 to my given number n

Composing Morphisms with Morphisms

Proving $ \phi(mn)=\phi(m)\phi(n) \frac k{\phi(k)}$

how to find $n\in \Bbb N$ such that: $\tau(n)$is odd

$\sum_{d|n}(-1)^{\frac nd}\phi(d)={}$?

$\tau(n)\phi(n)\ge n$

How to find: $g(n)= \sum_{d|n}\frac{\phi(d)}d=?$

Is this function multiplicative and if so what is its value at prime powers?

Is $\frac{\sigma(n)}{{2n}}$ submultiplicative or supermultiplicative?

Efficient summation of multiplicative functions on intervals

A question in solution of a problem involving multiplicative functions

2.20 Question Introduction to analytic number theory

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