Q: What is the sum of all factors of the number 668,015 excluding 668,015?
A: 213,265
The factors of the number 668,015 are: 1, 5, 17, 29, 85, 145, 271, 493, 1355, 2465, 4607, 7859, 23035, 39295, 133603, 668015.
If you add them up, you will get the total of 668,228. Now subtract 668,015 to get 213,265