Q: What is the sum of all factors of the number 428,637 excluding 428,637?
A: 216,483
The factors of the number 428,637 are: 1, 3, 11, 31, 33, 93, 341, 419, 1023, 1257, 4609, 12989, 13827, 38967, 142879, 428637.
If you add them up, you will get the total of 428,853. Now subtract 428,637 to get 216,483