Q: What is the sum of all factors of the number 39,991 excluding 39,991?
A: 7,529
The factors of the number 39,991 are: 1, 7, 29, 197, 203, 1379, 5713, 39991.
If you add them up, you will get the total of 39,998. Now subtract 39,991 to get 7,529