Q: What is the sum of all factors of the number 247,775,955 excluding 247,775,955?

A: 206,304,045

Why is 206,304,045 the sum of all factors of 247,775,955, excluding 247,775,955?

The factors of the number 247,775,955 are: 1, 3, 5, 7, 15, 21, 35, 105, 499, 1497, 2495, 3493, 4729, 7485, 10479, 14187, 17465, 23645, 33103, 52395, 70935, 99309, 165515, 496545, 2359771, 7079313, 11798855, 16518397, 35396565, 49555191, 82591985, 247775955.

If you add them up, you will get the total of 247,776,161. Now subtract 247,775,955 to get 206,304,045