Q: What is the sum of all factors of the number 8,684 excluding 8,684?
A: 7,780
The factors of the number 8,684 are: 1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 4342, 8684.
If you add them up, you will get the total of 8,691. Now subtract 8,684 to get 7,780