Q: What is the sum of all factors of the number 661,664 excluding 661,664?

A: 789,856

Why is 789,856 the sum of all factors of 661,664, excluding 661,664?

The factors of the number 661,664 are: 1, 2, 4, 8, 16, 23, 29, 31, 32, 46, 58, 62, 92, 116, 124, 184, 232, 248, 368, 464, 496, 667, 713, 736, 899, 928, 992, 1334, 1426, 1798, 2668, 2852, 3596, 5336, 5704, 7192, 10672, 11408, 14384, 20677, 21344, 22816, 28768, 41354, 82708, 165416, 330832, 661664.

If you add them up, you will get the total of 662,453. Now subtract 661,664 to get 789,856