MathDB
J 18

Source:

May 25, 2007
Divisor Functions

Problem Statement

Prove that for any δ\delta greater than 1 and any positive number ϵ\epsilon, there is an nn such that ∣σ(n)n−δ∣<ϵ\left \vert \frac{\sigma (n)}{n} -\delta \right \vert < \epsilon.
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