Q: What is the sum of all factors of the number 1,387,638 including 1,387,638?
A: 3,525,120
The factors of the number 1,387,638 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 3671, 7342, 11013, 22026, 25697, 33039, 51394, 66078, 77091, 99117, 154182, 198234, 231273, 462546, 693819, 1387638.
If you add them up, you will get the total of 3,525,120.