Q: What is the sum of all factors of the number 12,678 excluding 12,678?
A: 12,690
The factors of the number 12,678 are: 1, 2, 3, 6, 2113, 4226, 6339, 12678.
If you add them up, you will get the total of 12,690. Now subtract 12,678 to get 12,690