On equations $σ(n)=σ(n+k)$ and $\varphi(n)=\varphi(n+k)$

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Author:Tomohiro Yamada
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Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.

Similar On equations $σ(n)=σ(n+k)$ and $\varphi(n)=\varphi(n+k)$

Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.