Q: What is the sum of all factors of the number 403,032,565 excluding 403,032,565?

A: 148,254,731

Why is 148,254,731 the sum of all factors of 403,032,565, excluding 403,032,565?

The factors of the number 403,032,565 are: 1, 5, 13, 23, 65, 71, 115, 299, 355, 923, 1495, 1633, 3797, 4615, 8165, 18985, 21229, 49361, 87331, 106145, 246805, 269587, 436655, 1135303, 1347935, 3504631, 5676515, 6200501, 17523155, 31002505, 80606513, 403032565.

If you add them up, you will get the total of 403,032,713. Now subtract 403,032,565 to get 148,254,731