Q: What is the sum of all factors of the number 1,289,438 excluding 1,289,438?
A: 669,442
The factors of the number 1,289,438 are: 1, 2, 79, 158, 8161, 16322, 644719, 1289438.
If you add them up, you will get the total of 1,290,107. Now subtract 1,289,438 to get 669,442