Q: What is the sum of all factors of the number 25,991 excluding 25,991?
A: 4,729
The factors of the number 25,991 are: 1, 7, 47, 79, 329, 553, 3713, 25991.
If you add them up, you will get the total of 25,995. Now subtract 25,991 to get 4,729