Q: What is the sum of all factors of the number 261,315,312 excluding 261,315,312?

A: 431,998,944

Why is 431,998,944 the sum of all factors of 261,315,312, excluding 261,315,312?

The factors of the number 261,315,312 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 147137, 294274, 441411, 588548, 882822, 1177096, 1765644, 2354192, 3531288, 5444069, 7062576, 10888138, 16332207, 21776276, 32664414, 43552552, 65328828, 87105104, 130657656, 261315312.

If you add them up, you will get the total of 261,315,743. Now subtract 261,315,312 to get 431,998,944