Q: What is the sum of all factors of the number 387,396 excluding 387,396?

A: 681,084

Why is 681,084 the sum of all factors of 387,396, excluding 387,396?

The factors of the number 387,396 are: 1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 211, 306, 422, 459, 612, 633, 844, 918, 1266, 1836, 1899, 2532, 3587, 3798, 5697, 7174, 7596, 10761, 11394, 14348, 21522, 22788, 32283, 43044, 64566, 96849, 129132, 193698, 387396.

If you add them up, you will get the total of 388,077. Now subtract 387,396 to get 681,084