Q: What is the sum of all factors of the number 1,991,564 excluding 1,991,564?
A: 1,606,324
The factors of the number 1,991,564 are: 1, 2, 4, 31, 62, 124, 16061, 32122, 64244, 497891, 995782, 1991564.
If you add them up, you will get the total of 1,991,565. Now subtract 1,991,564 to get 1,606,324