Q: What is the sum of all factors of the number 645,964 excluding 645,964?
A: 615,044
The factors of the number 645,964 are: 1, 2, 4, 11, 22, 44, 53, 106, 212, 277, 554, 583, 1108, 1166, 2332, 3047, 6094, 12188, 14681, 29362, 58724, 161491, 322982, 645964.
If you add them up, you will get the total of 646,579. Now subtract 645,964 to get 615,044