On common values of $\phi(n)$ and $\sigma(m)$, II
Number Theory
2014-03-24 v1
Abstract
Let phi(n) be Euler's totient function and let sigma(n) be the sum of the positive divisors of n. We show that most phi-values (integers in the range of phi) are not sigma-values and vice versa.
Cite
@article{arxiv.1012.0080,
title = {On common values of $\phi(n)$ and $\sigma(m)$, II},
author = {Kevin Ford and Paul Pollack},
journal= {arXiv preprint arXiv:1012.0080},
year = {2014}
}
Comments
23 pages