Q: What is the sum of all factors of the number 642,666 excluding 642,666?
A: 698,838
The factors of the number 642,666 are: 1, 2, 3, 6, 23, 46, 69, 138, 4657, 9314, 13971, 27942, 107111, 214222, 321333, 642666.
If you add them up, you will get the total of 643,364. Now subtract 642,666 to get 698,838