Q: What is the sum of all factors of the number 621,608 excluding 621,608?
A: 671,992
The factors of the number 621,608 are: 1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 139, 172, 278, 344, 556, 559, 1112, 1118, 1807, 2236, 3614, 4472, 5977, 7228, 11954, 14456, 23908, 47816, 77701, 155402, 310804, 621608.
If you add them up, you will get the total of 622,279. Now subtract 621,608 to get 671,992