Q: What is the sum of all factors of the number 406,411,736 excluding 406,411,736?

A: 389,073,064

Why is 389,073,064 the sum of all factors of 406,411,736, excluding 406,411,736?

The factors of the number 406,411,736 are: 1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 2759, 5518, 11036, 18413, 22072, 36826, 73652, 147304, 570803, 1141606, 1638757, 2283212, 3277514, 4566424, 6555028, 13110056, 50801467, 101602934, 203205868, 406411736.

If you add them up, you will get the total of 406,412,125. Now subtract 406,411,736 to get 389,073,064