Q: What is the sum of all factors of the number 172,315 excluding 172,315?
A: 71,621
The factors of the number 172,315 are: 1, 5, 11, 13, 55, 65, 143, 241, 715, 1205, 2651, 3133, 13255, 15665, 34463, 172315.
If you add them up, you will get the total of 172,386. Now subtract 172,315 to get 71,621