Q: What is the sum of all factors of the number 1,279,761 excluding 1,279,761?
A: 688,239
The factors of the number 1,279,761 are: 1, 3, 7, 21, 149, 409, 447, 1043, 1227, 2863, 3129, 8589, 60941, 182823, 426587, 1279761.
If you add them up, you will get the total of 1,280,449. Now subtract 1,279,761 to get 688,239