Q: What is the sum of all factors of the number 64 excluding 64?

 A: 63

Why is 63 the sum of all factors of 64, excluding 64?

The factors of the number 64 are: 1, 2, 4, 8, 16, 32, 64.

If you add them up, you will get the total of 127. Now subtract 64 to get 63


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