Q: What is the sum of all factors of the number 1,280,201 excluding 1,280,201?
A: 211,639
The factors of the number 1,280,201 are: 1, 13, 19, 71, 73, 247, 923, 949, 1349, 1387, 5183, 17537, 18031, 67379, 98477, 1280201.
If you add them up, you will get the total of 1,280,412. Now subtract 1,280,201 to get 211,639