Q: What is the sum of all factors of the number 387,984 excluding 387,984?

A: 638,736

Why is 638,736 the sum of all factors of 387,984, excluding 387,984?

The factors of the number 387,984 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 137, 177, 236, 274, 354, 411, 472, 548, 708, 822, 944, 1096, 1416, 1644, 2192, 2832, 3288, 6576, 8083, 16166, 24249, 32332, 48498, 64664, 96996, 129328, 193992, 387984.

If you add them up, you will get the total of 388,622. Now subtract 387,984 to get 638,736