Q: What is the sum of all factors of the number 1,263,406 including 1,263,406?
A: 2,006,640
The factors of the number 1,263,406 are: 1, 2, 17, 34, 37159, 74318, 631703, 1263406.
If you add them up, you will get the total of 2,006,640.