Q: What is the sum of all factors of the number 647,309 excluding 647,309?
A: 123,811
The factors of the number 647,309 are: 1, 13, 17, 29, 101, 221, 377, 493, 1313, 1717, 2929, 6409, 22321, 38077, 49793, 647309.
If you add them up, you will get the total of 647,432. Now subtract 647,309 to get 123,811