Q: What is the sum of all factors of the number 55,563,721 excluding 55,563,721?
A: 399,879
The factors of the number 55,563,721 are: 1, 139, 399739, 55563721.
If you add them up, you will get the total of 55,564,120. Now subtract 55,563,721 to get 399,879