Q: What is the sum of all factors of the number 256,866 excluding 256,866?
A: 273,822
The factors of the number 256,866 are: 1, 2, 3, 6, 31, 62, 93, 186, 1381, 2762, 4143, 8286, 42811, 85622, 128433, 256866.
If you add them up, you will get the total of 257,139. Now subtract 256,866 to get 273,822