Q: What is the sum of all factors of the number 256,784,391 excluding 256,784,391?

 A: 123,636,969

Why is 123,636,969 the sum of all factors of 256,784,391, excluding 256,784,391?

The factors of the number 256,784,391 are: 1, 3, 9, 27, 9510533, 28531599, 85594797, 256784391.

If you add them up, you will get the total of 256,784,514. Now subtract 256,784,391 to get 123,636,969


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