Q: What is the sum of all factors of the number 515,145,221 excluding 515,145,221?
A: 72,871
The factors of the number 515,145,221 are: 1, 7933, 64937, 515145221.
If you add them up, you will get the total of 515,145,293. Now subtract 515,145,221 to get 72,871