Q: What is the sum of all factors of the number 138,638 excluding 138,638?
A: 71,650
The factors of the number 138,638 are: 1, 2, 103, 206, 673, 1346, 69319, 138638.
If you add them up, you will get the total of 138,709. Now subtract 138,638 to get 71,650