Q: What is the sum of all factors of the number 1,390,239 excluding 1,390,239?
A: 637,137
The factors of the number 1,390,239 are: 1, 3, 9, 113, 339, 1017, 1367, 4101, 12303, 154471, 463413, 1390239.
If you add them up, you will get the total of 1,390,876. Now subtract 1,390,239 to get 637,137