Q: What is the sum of all factors of the number 639,456 excluding 639,456?
A: 1,039,368
The factors of the number 639,456 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 6661, 13322, 19983, 26644, 39966, 53288, 79932, 106576, 159864, 213152, 319728, 639456.
If you add them up, you will get the total of 639,457. Now subtract 639,456 to get 1,039,368