Q: What is the sum of all factors of the number 428,415 excluding 428,415?
A: 314,169
The factors of the number 428,415 are: 1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2197, 2535, 6591, 10985, 28561, 32955, 85683, 142805, 428415.
If you add them up, you will get the total of 428,729. Now subtract 428,415 to get 314,169