Q: What is the sum of all factors of the number 255,157,215 excluding 255,157,215?

A: 161,117,985

Why is 161,117,985 the sum of all factors of 255,157,215, excluding 255,157,215?

The factors of the number 255,157,215 are: 1, 3, 5, 15, 89, 131, 267, 393, 445, 655, 1335, 1459, 1965, 4377, 7295, 11659, 21885, 34977, 58295, 129851, 174885, 191129, 389553, 573387, 649255, 955645, 1947765, 2866935, 17010481, 51031443, 85052405, 255157215.

If you add them up, you will get the total of 255,157,376. Now subtract 255,157,215 to get 161,117,985