Q: What is the sum of all factors of the number 660,666 excluding 660,666?
A: 671,334
The factors of the number 660,666 are: 1, 2, 3, 6, 149, 298, 447, 739, 894, 1478, 2217, 4434, 110111, 220222, 330333, 660666.
If you add them up, you will get the total of 661,337. Now subtract 660,666 to get 671,334