Divisor Sum of 1,438,983

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {1 \, 438 \, 983} = 2 \, 614 \, 248$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $1 \, 438 \, 983 = 3^2 \times 7^2 \times 13 \times 251$

Hence from Divisor Sum of Integer: