Q: What is the sum of all factors of the number 261,026,571 excluding 261,026,571?

A: 119,997,429

Why is 119,997,429 the sum of all factors of 261,026,571, excluding 261,026,571?

The factors of the number 261,026,571 are: 1, 3, 13, 39, 139, 179, 269, 417, 537, 807, 1807, 2327, 3497, 5421, 6981, 10491, 24881, 37391, 48151, 74643, 112173, 144453, 323453, 486083, 625963, 970359, 1458249, 1877889, 6692989, 20078967, 87008857, 261026571.

If you add them up, you will get the total of 261,026,690. Now subtract 261,026,571 to get 119,997,429