Q: What is the sum of all factors of the number 639,608 excluding 639,608?
A: 630,472
The factors of the number 639,608 are: 1, 2, 4, 8, 17, 34, 68, 136, 4703, 9406, 18812, 37624, 79951, 159902, 319804, 639608.
If you add them up, you will get the total of 640,238. Now subtract 639,608 to get 630,472