Q: What is the sum of all factors of the number 205,516,365 excluding 205,516,365?

A: 127,862,835

Why is 127,862,835 the sum of all factors of 205,516,365, excluding 205,516,365?

The factors of the number 205,516,365 are: 1, 3, 5, 15, 139, 241, 409, 417, 695, 723, 1205, 1227, 2045, 2085, 3615, 6135, 33499, 56851, 98569, 100497, 167495, 170553, 284255, 295707, 492845, 502485, 852765, 1478535, 13701091, 41103273, 68505455, 205516365.

If you add them up, you will get the total of 205,516,492. Now subtract 205,516,365 to get 127,862,835