Q: What is the sum of all factors of the number 1,284,278 excluding 1,284,278?
A: 647,890
The factors of the number 1,284,278 are: 1, 2, 433, 866, 1483, 2966, 642139, 1284278.
If you add them up, you will get the total of 1,284,925. Now subtract 1,284,278 to get 647,890