Q: What is the sum of all factors of the number 206,434,635 excluding 206,434,635?

A: 155,304,885

Why is 155,304,885 the sum of all factors of 206,434,635, excluding 206,434,635?

The factors of the number 206,434,635 are: 1, 3, 5, 11, 15, 33, 55, 165, 269, 807, 1345, 2959, 4035, 4651, 8877, 13953, 14795, 23255, 44385, 51161, 69765, 153483, 255805, 767415, 1251119, 3753357, 6255595, 13762309, 18766785, 41286927, 68811545, 206434635.

If you add them up, you will get the total of 206,434,790. Now subtract 206,434,635 to get 155,304,885