Q: What is the sum of all factors of the number 642,561,218 excluding 642,561,218?
A: 410,044,798
The factors of the number 642,561,218 are: 1, 2, 13, 26, 71, 142, 923, 1846, 348083, 696166, 4525079, 9050158, 24713893, 49427786, 321280609, 642561218.
If you add them up, you will get the total of 642,561,628. Now subtract 642,561,218 to get 410,044,798