Q: What is the sum of all factors of the number 3,987,503 including 3,987,503?
A: 4,547,088
The factors of the number 3,987,503 are: 1, 13, 17, 221, 18043, 234559, 306731, 3987503.
If you add them up, you will get the total of 4,547,088.