Q: What is the sum of all factors of the number 742,215,621 excluding 742,215,621?
A: 388,779,643
The factors of the number 742,215,621 are: 1, 3, 7, 21, 35343601, 106030803, 247405207, 742215621.
If you add them up, you will get the total of 742,216,009. Now subtract 742,215,621 to get 388,779,643