Q: What is the sum of all factors of the number 1,280,838 excluding 1,280,838?
A: 1,478,058
The factors of the number 1,280,838 are: 1, 2, 3, 6, 13, 26, 39, 78, 16421, 32842, 49263, 98526, 213473, 426946, 640419, 1280838.
If you add them up, you will get the total of 1,280,839. Now subtract 1,280,838 to get 1,478,058