Q: What is the sum of all factors of the number 261,213,311 excluding 261,213,311?
A: 13,748,089
The factors of the number 261,213,311 are: 1, 19, 13748069, 261213311.
If you add them up, you will get the total of 261,213,324. Now subtract 261,213,311 to get 13,748,089