Q: What is the sum of all factors of the number 72,409 excluding 72,409?
A: 6,631
The factors of the number 72,409 are: 1, 19, 37, 103, 703, 1957, 3811, 72409.
If you add them up, you will get the total of 72,415. Now subtract 72,409 to get 6,631