Q: What is the sum of all factors of the number 1,648 excluding 1,648?
A: 1,576
The factors of the number 1,648 are: 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648.
If you add them up, you will get the total of 1,649. Now subtract 1,648 to get 1,576