Q: What is the sum of all factors of the number 643,545,266 excluding 643,545,266?

A: 573,530,062

Why is 573,530,062 the sum of all factors of 643,545,266, excluding 643,545,266?

The factors of the number 643,545,266 are: 1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 86243, 172486, 603701, 1121159, 1207402, 2242318, 3535963, 7071926, 7848113, 15696226, 24751741, 45967519, 49503482, 91935038, 321772633, 643545266.

If you add them up, you will get the total of 643,545,839. Now subtract 643,545,266 to get 573,530,062