Q: What is the sum of all factors of the number 721,051,158 excluding 721,051,158?

A: 838,378,986

Why is 838,378,986 the sum of all factors of 721,051,158, excluding 721,051,158?

The factors of the number 721,051,158 are: 1, 2, 3, 6, 17, 34, 47, 51, 94, 102, 141, 282, 799, 1598, 2397, 4794, 150407, 300814, 451221, 902442, 2556919, 5113838, 7069129, 7670757, 14138258, 15341514, 21207387, 42414774, 120175193, 240350386, 360525579, 721051158.

If you add them up, you will get the total of 721,051,996. Now subtract 721,051,158 to get 838,378,986