Q: What is the sum of all factors of the number 665,643,536 excluding 665,643,536?

 A: 648,376,156

Why is 648,376,156 the sum of all factors of 665,643,536, excluding 665,643,536?

The factors of the number 665,643,536 are: 1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 784957, 1569914, 3139828, 6279656, 12559312, 41602721, 83205442, 166410884, 332821768, 665643536.

If you add them up, you will get the total of 665,644,184. Now subtract 665,643,536 to get 648,376,156


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