Q: What is the sum of all factors of the number 521,428 excluding 521,428?
A: 406,464
The factors of the number 521,428 are: 1, 2, 4, 61, 122, 244, 2137, 4274, 8548, 130357, 260714, 521428.
If you add them up, you will get the total of 521,834. Now subtract 521,428 to get 406,464