Q: What is the sum of all factors of the number 403,606,231 excluding 403,606,231?

A: 108,987,689

Why is 108,987,689 the sum of all factors of 403,606,231, excluding 403,606,231?

The factors of the number 403,606,231 are: 1, 7, 17, 23, 119, 161, 239, 391, 617, 1673, 2737, 4063, 4319, 5497, 10489, 14191, 28441, 38479, 73423, 93449, 99337, 147463, 241247, 654143, 1032241, 1688729, 2506871, 3391649, 17548097, 23741543, 57658033, 403606231.

If you add them up, you will get the total of 403,606,339. Now subtract 403,606,231 to get 108,987,689