Q: What is the sum of all factors of the number 128,442,909 excluding 128,442,909?

 A: 67,512,291

Why is 67,512,291 the sum of all factors of 128,442,909, excluding 128,442,909?

The factors of the number 128,442,909 are: 1, 3, 7, 21, 971, 2913, 6299, 6797, 18897, 20391, 44093, 132279, 6116329, 18348987, 42814303, 128442909.

If you add them up, you will get the total of 128,442,976. Now subtract 128,442,909 to get 67,512,291


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