Q: What is the sum of all factors of the number 215,407,657 excluding 215,407,657?
A: 349,739
The factors of the number 215,407,657 are: 1, 617, 349121, 215407657.
If you add them up, you will get the total of 215,408,006. Now subtract 215,407,657 to get 349,739