Q: What is the sum of all factors of the number 645,662,004 excluding 645,662,004?

A: 979,532,364

Why is 979,532,364 the sum of all factors of 645,662,004, excluding 645,662,004?

The factors of the number 645,662,004 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 647, 1294, 1941, 2588, 3882, 6397, 7764, 8411, 12794, 16822, 19191, 25233, 25588, 33644, 38382, 50466, 76764, 83161, 100932, 166322, 249483, 332644, 498966, 997932, 4138859, 8277718, 12416577, 16555436, 24833154, 49666308, 53805167, 107610334, 161415501, 215220668, 322831002, 645662004.

If you add them up, you will get the total of 645,662,983. Now subtract 645,662,004 to get 979,532,364