Q: What is the sum of all factors of the number 1,321,742 including 1,321,742?
A: 1,987,632
The factors of the number 1,321,742 are: 1, 2, 641, 1031, 1282, 2062, 660871, 1321742.
If you add them up, you will get the total of 1,987,632.