Q: What is the sum of all factors of the number 2,118,505 excluding 2,118,505?
A: 431,519
The factors of the number 2,118,505 are: 1, 5, 641, 661, 3205, 3305, 423701, 2118505.
If you add them up, you will get the total of 2,118,936. Now subtract 2,118,505 to get 431,519