Q: What is the sum of all factors of the number 643,998 excluding 643,998?
A: 653,298
The factors of the number 643,998 are: 1, 2, 3, 6, 181, 362, 543, 593, 1086, 1186, 1779, 3558, 107333, 214666, 321999, 643998.
If you add them up, you will get the total of 644,651. Now subtract 643,998 to get 653,298