Q: What is the sum of all factors of the number 669,666 excluding 669,666?
A: 669,678
The factors of the number 669,666 are: 1, 2, 3, 6, 111611, 223222, 334833, 669666.
If you add them up, you will get the total of 670,335. Now subtract 669,666 to get 669,678