Q: What is the sum of all factors of the number 401,505,654 excluding 401,505,654?

A: 477,067,146

Why is 477,067,146 the sum of all factors of 401,505,654, excluding 401,505,654?

The factors of the number 401,505,654 are: 1, 2, 3, 6, 11, 22, 33, 66, 349, 698, 1047, 2094, 3839, 7678, 11517, 17431, 23034, 34862, 52293, 104586, 191741, 383482, 575223, 1150446, 6083419, 12166838, 18250257, 36500514, 66917609, 133835218, 200752827, 401505654.

If you add them up, you will get the total of 401,506,131. Now subtract 401,505,654 to get 477,067,146