Q: What is the sum of all factors of the number 665,655,522 excluding 665,655,522?

A: 858,440,478

Why is 858,440,478 the sum of all factors of 665,655,522, excluding 665,655,522?

The factors of the number 665,655,522 are: 1, 2, 3, 6, 7, 14, 21, 42, 599, 1198, 1797, 3594, 4193, 8386, 12579, 25158, 26459, 52918, 79377, 158754, 185213, 370426, 555639, 1111278, 15848941, 31697882, 47546823, 95093646, 110942587, 221885174, 332827761, 665655522.

If you add them up, you will get the total of 665,656,380. Now subtract 665,655,522 to get 858,440,478