Q: What is the sum of all factors of the number 1,561,972 excluding 1,561,972?
A: 1,171,486
The factors of the number 1,561,972 are: 1, 2, 4, 390493, 780986, 1561972.
If you add them up, you will get the total of 1,561,973. Now subtract 1,561,972 to get 1,171,486