Q: What is the sum of all factors of the number 990,521 excluding 990,521?
A: 158,023
The factors of the number 990,521 are: 1, 7, 71, 497, 1993, 13951, 141503, 990521.
If you add them up, you will get the total of 990,679. Now subtract 990,521 to get 158,023