Q: What is the sum of all factors of the number 256,072,257 excluding 256,072,257?

 A: 166,650,303

Why is 166,650,303 the sum of all factors of 256,072,257, excluding 256,072,257?

The factors of the number 256,072,257 are: 1, 3, 7, 9, 21, 63, 4064639, 12193917, 28452473, 36581751, 85357419, 256072257.

If you add them up, you will get the total of 256,072,423. Now subtract 256,072,257 to get 166,650,303


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