Q: What is the sum of all factors of the number 255,645,537 excluding 255,645,537?

A: 147,656,607

Why is 147,656,607 the sum of all factors of 255,645,537, excluding 255,645,537?

The factors of the number 255,645,537 are: 1, 3, 7, 21, 41, 97, 123, 287, 291, 679, 861, 2037, 3061, 3977, 9183, 11931, 21427, 27839, 64281, 83517, 125501, 296917, 376503, 878507, 890751, 2078419, 2635521, 6235257, 12173597, 36520791, 85215179, 255645537.

If you add them up, you will get the total of 255,645,684. Now subtract 255,645,537 to get 147,656,607