Q: What is the sum of all factors of the number 261,377,407 excluding 261,377,407?
A: 1,880,553
The factors of the number 261,377,407 are: 1, 139, 1880413, 261377407.
If you add them up, you will get the total of 261,377,408. Now subtract 261,377,407 to get 1,880,553