Q: What is the sum of all factors of the number 661,278 excluding 661,278?
A: 669,282
The factors of the number 661,278 are: 1, 2, 3, 6, 307, 359, 614, 718, 921, 1077, 1842, 2154, 110213, 220426, 330639, 661278.
If you add them up, you will get the total of 661,947. Now subtract 661,278 to get 669,282