Q: What is the sum of all factors of the number 128,736 excluding 128,736?

A: 249,264

Why is 249,264 the sum of all factors of 128,736, excluding 128,736?

The factors of the number 128,736 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 149, 216, 288, 298, 432, 447, 596, 864, 894, 1192, 1341, 1788, 2384, 2682, 3576, 4023, 4768, 5364, 7152, 8046, 10728, 14304, 16092, 21456, 32184, 42912, 64368, 128736.

If you add them up, you will get the total of 128,985. Now subtract 128,736 to get 249,264