Q: What is the sum of all factors of the number 639,296 excluding 639,296?

 A: 811,552

Why is 811,552 the sum of all factors of 639,296, excluding 639,296?

The factors of the number 639,296 are: 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1427, 2854, 5708, 9989, 11416, 19978, 22832, 39956, 45664, 79912, 91328, 159824, 319648, 639296.

If you add them up, you will get the total of 640,107. Now subtract 639,296 to get 811,552


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