Divisor Sum of 629,072

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {629 \, 072} = 1 \, 218 \, 858$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $629 \, 072 = 2^4 \times 39 \, 317$

Hence: