Q: What is the sum of all factors of the number 639,562 excluding 639,562?
A: 556,790
The factors of the number 639,562 are: 1, 2, 7, 11, 14, 22, 77, 154, 4153, 8306, 29071, 45683, 58142, 91366, 319781, 639562.
If you add them up, you will get the total of 640,118. Now subtract 639,562 to get 556,790