Q: What is the sum of all factors of the number 1,621,649 excluding 1,621,649?
A: 12,511
The factors of the number 1,621,649 are: 1, 131, 12379, 1621649.
If you add them up, you will get the total of 1,621,661. Now subtract 1,621,649 to get 12,511