Q: What is the sum of all factors of the number 399,516 excluding 399,516?
A: 615,036
The factors of the number 399,516 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 197, 338, 394, 507, 591, 676, 788, 1014, 1182, 2028, 2364, 2561, 5122, 7683, 10244, 15366, 30732, 33293, 66586, 99879, 133172, 199758, 399516.
If you add them up, you will get the total of 400,131. Now subtract 399,516 to get 615,036