Q: What is the sum of all factors of the number 12,428 excluding 12,428?
A: 11,092
The factors of the number 12,428 are: 1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214, 12428.
If you add them up, you will get the total of 12,439. Now subtract 12,428 to get 11,092