Q: What is the sum of all factors of the number 261,872 excluding 261,872?
A: 284,968
The factors of the number 261,872 are: 1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1259, 2518, 5036, 10072, 16367, 20144, 32734, 65468, 130936, 261872.
If you add them up, you will get the total of 262,156. Now subtract 261,872 to get 284,968