Q: What is the sum of all factors of the number 2,857,309 excluding 2,857,309?
A: 868,259
The factors of the number 2,857,309 are: 1, 7, 13, 17, 91, 119, 221, 1547, 1847, 12929, 24011, 31399, 168077, 219793, 408187, 2857309.
If you add them up, you will get the total of 2,858,177. Now subtract 2,857,309 to get 868,259