Divisor Sum of 1,476,304,896

Example of Sigma of Integer

 * $\sigma \left({1 \, 476 \, 304 \, 896}\right) = 4 \, 428 \, 914 \, 688$

where $\sigma$ denotes the $\sigma$ function.

Proof
We have that:
 * $1 \, 476 \, 304 \, 896 = 2^{13} \times 3 \times 11 \times 43 \times 127$

Hence: