Q: What is the sum of all factors of the number 3,172 excluding 3,172?
A: 2,904
The factors of the number 3,172 are: 1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172.
If you add them up, you will get the total of 3,174. Now subtract 3,172 to get 2,904