Q: What is the sum of all factors of the number 387,648 excluding 387,648?

A: 725,126

Why is 725,126 the sum of all factors of 387,648, excluding 387,648?

The factors of the number 387,648 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 673, 1346, 2019, 2692, 4038, 5384, 6057, 8076, 10768, 12114, 16152, 21536, 24228, 32304, 43072, 48456, 64608, 96912, 129216, 193824, 387648.

If you add them up, you will get the total of 388,373. Now subtract 387,648 to get 725,126