Divisor Set Construction

Type: idea

To find $\operatorname{div}(n)$, we can simply test
\[
  \frac{n}{i}
\]
for
\[
  i \in \{1,\ldots,n\}.
\]
Whenever $\frac{n}{i}$ is an integer, include $i$ in $\operatorname{div}(n)$.