Q: What is the sum of all factors of the number 399,492 excluding 399,492?

A: 656,346

Why is 656,346 the sum of all factors of 399,492, excluding 399,492?

The factors of the number 399,492 are: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 137, 162, 243, 274, 324, 411, 486, 548, 729, 822, 972, 1233, 1458, 1644, 2466, 2916, 3699, 4932, 7398, 11097, 14796, 22194, 33291, 44388, 66582, 99873, 133164, 199746, 399492.

If you add them up, you will get the total of 400,148. Now subtract 399,492 to get 656,346