Q: What is the sum of all factors of the number 406,473,221 excluding 406,473,221?

A: 116,073,979

Why is 116,073,979 the sum of all factors of 406,473,221, excluding 406,473,221?

The factors of the number 406,473,221 are: 1, 7, 11, 41, 77, 199, 287, 451, 647, 1393, 2189, 3157, 4529, 7117, 8159, 15323, 26527, 49819, 57113, 89749, 128753, 185689, 291797, 628243, 901271, 1416283, 2042579, 5278873, 9913981, 36952111, 58067603, 406473221.

If you add them up, you will get the total of 406,473,337. Now subtract 406,473,221 to get 116,073,979