Q: What is the sum of all factors of the number 650,145,665 excluding 650,145,665?

A: 207,388,831

Why is 207,388,831 the sum of all factors of 650,145,665, excluding 650,145,665?

The factors of the number 650,145,665 are: 1, 5, 13, 65, 73, 181, 365, 757, 905, 949, 2353, 3785, 4745, 9841, 11765, 13213, 49205, 55261, 66065, 137017, 171769, 276305, 685085, 718393, 858845, 1781221, 3591965, 8906105, 10002241, 50011205, 130029133, 650145665.

If you add them up, you will get the total of 650,145,872. Now subtract 650,145,665 to get 207,388,831