Q: What is the sum of all factors of the number 638,564 excluding 638,564?
A: 485,020
The factors of the number 638,564 are: 1, 2, 4, 263, 526, 607, 1052, 1214, 2428, 159641, 319282, 638564.
If you add them up, you will get the total of 639,049. Now subtract 638,564 to get 485,020