Question 115
Let $S$ be the set of all positive integers whose prime factorizations only contain powers of the primes $2$ and $2017$ (that is, $1$, powers of $2$, and powers of $2017$ are thus contained in $S$). Compute
$$
\sum_{s \in S} \frac{1}{s}.
$$
$$
\sum_{s \in S} \frac{1}{s}.
$$