Q: What is the sum of all factors of the number 28,457 excluding 28,457?

 A: 5,143

Why is 5,143 the sum of all factors of 28,457, excluding 28,457?

The factors of the number 28,457 are: 1, 11, 13, 143, 199, 2189, 2587, 28457.

If you add them up, you will get the total of 28,462. Now subtract 28,457 to get 5,143


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