Q: What is the sum of all factors of the number 31,291 excluding 31,291?
A: 3,989
The factors of the number 31,291 are: 1, 13, 29, 83, 377, 1079, 2407, 31291.
If you add them up, you will get the total of 31,294. Now subtract 31,291 to get 3,989