Q: What is the sum of all factors of the number 643,474,116 excluding 643,474,116?

A: 1,009,756,008

Why is 1,009,756,008 the sum of all factors of 643,474,116, excluding 643,474,116?

The factors of the number 643,474,116 are: 1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 293021, 586042, 879063, 1172084, 1758126, 2637189, 3516252, 5274378, 10548756, 17874281, 35748562, 53622843, 71497124, 107245686, 160868529, 214491372, 321737058, 643474116.

If you add them up, you will get the total of 643,474,117. Now subtract 643,474,116 to get 1,009,756,008