Q: What is the sum of all factors of the number 128,409 excluding 128,409?
A: 50,343
The factors of the number 128,409 are: 1, 3, 23, 69, 1861, 5583, 42803, 128409.
If you add them up, you will get the total of 128,459. Now subtract 128,409 to get 50,343