Q: What is the sum of all factors of the number 12,904 excluding 12,904?
A: 11,306
The factors of the number 12,904 are: 1, 2, 4, 8, 1613, 3226, 6452, 12904.
If you add them up, you will get the total of 12,915. Now subtract 12,904 to get 11,306