Q: What is the sum of all factors of the number 86,905 excluding 86,905?
A: 42,119
The factors of the number 86,905 are: 1, 5, 7, 13, 35, 65, 91, 191, 455, 955, 1337, 2483, 6685, 12415, 17381, 86905.
If you add them up, you will get the total of 86,947. Now subtract 86,905 to get 42,119