Q: What is the sum of all factors of the number 1,561,564 excluding 1,561,564?
A: 1,171,180
The factors of the number 1,561,564 are: 1, 2, 4, 390391, 780782, 1561564.
If you add them up, you will get the total of 1,561,565. Now subtract 1,561,564 to get 1,171,180