Q: What is the sum of all factors of the number 521,281,864 excluding 521,281,864?

A: 494,494,136

Why is 494,494,136 the sum of all factors of 521,281,864, excluding 521,281,864?

The factors of the number 521,281,864 are: 1, 2, 4, 8, 31, 62, 124, 149, 248, 298, 596, 1192, 4619, 9238, 14107, 18476, 28214, 36952, 56428, 112856, 437317, 874634, 1749268, 2101943, 3498536, 4203886, 8407772, 16815544, 65160233, 130320466, 260640932, 521281864.

If you add them up, you will get the total of 521,282,358. Now subtract 521,281,864 to get 494,494,136