Q: What is the sum of all factors of the number 666,521,613 excluding 666,521,613?
A: 296,913,327
The factors of the number 666,521,613 are: 1, 3, 9, 1453, 4359, 13077, 50969, 152907, 458721, 74057957, 222173871, 666521613.
If you add them up, you will get the total of 666,521,909. Now subtract 666,521,613 to get 296,913,327