Q: What is the sum of all factors of the number 77,728 excluding 77,728?

 A: 97,664

Why is 97,664 the sum of all factors of 77,728, excluding 77,728?

The factors of the number 77,728 are: 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 347, 694, 1388, 2429, 2776, 4858, 5552, 9716, 11104, 19432, 38864, 77728.

If you add them up, you will get the total of 77,825. Now subtract 77,728 to get 97,664


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