Q: What is the sum of all factors of the number 641,406 excluding 641,406?
A: 666,258
The factors of the number 641,406 are: 1, 2, 3, 6, 53, 106, 159, 318, 2017, 4034, 6051, 12102, 106901, 213802, 320703, 641406.
If you add them up, you will get the total of 642,072. Now subtract 641,406 to get 666,258