Q: What is the sum of all factors of the number 666,638 excluding 666,638?
A: 543,826
The factors of the number 666,638 are: 1, 2, 7, 14, 17, 34, 119, 238, 2801, 5602, 19607, 39214, 47617, 95234, 333319, 666638.
If you add them up, you will get the total of 667,181. Now subtract 666,638 to get 543,826