Q: What is the sum of all factors of the number 204,131,355 excluding 204,131,355?

A: 129,972,261

Why is 129,972,261 the sum of all factors of 204,131,355, excluding 204,131,355?

The factors of the number 204,131,355 are: 1, 3, 5, 15, 53, 159, 265, 433, 593, 795, 1299, 1779, 2165, 2965, 6495, 8895, 22949, 31429, 68847, 94287, 114745, 157145, 256769, 344235, 471435, 770307, 1283845, 3851535, 13608757, 40826271, 68043785, 204131355.

If you add them up, you will get the total of 204,131,484. Now subtract 204,131,355 to get 129,972,261