Strongly additive arithmetic function (source code)

= Strongly additive arithmetic function

= Strongly additive function
{synonym}

A <strongly additive arithmetic function> satisfies $f(p^k)=f(p)$ for every <prime> $p$ and $k\ge1$, so $f(n)=\sum_{p\mid n}f(p)$. The <prime omega function> is an example.