Q: What is the sum of all factors of the number 1,240,257 excluding 1,240,257?
A: 419,743
The factors of the number 1,240,257 are: 1, 3, 331, 993, 1249, 3747, 413419, 1240257.
If you add them up, you will get the total of 1,240,676. Now subtract 1,240,257 to get 419,743