Q: What is the sum of all factors of the number 1,261,311 including 1,261,311?
A: 1,686,960
The factors of the number 1,261,311 are: 1, 3, 593, 709, 1779, 2127, 420437, 1261311.
If you add them up, you will get the total of 1,686,960.