Q: What is the sum of all factors of the number 1,201,989 including 1,201,989?
A: 1,609,920
The factors of the number 1,201,989 are: 1, 3, 257, 771, 1559, 4677, 400663, 1201989.
If you add them up, you will get the total of 1,609,920.