Q: What is the sum of all factors of the number 257,728 excluding 257,728?

 A: 253,828

Why is 253,828 the sum of all factors of 257,728, excluding 257,728?

The factors of the number 257,728 are: 1, 2, 4, 8, 16, 32, 64, 4027, 8054, 16108, 32216, 64432, 128864, 257728.

If you add them up, you will get the total of 257,981. Now subtract 257,728 to get 253,828


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