Q: What is the sum of all factors of the number 725,631,735 excluding 725,631,735?

A: 474,920,457

Why is 474,920,457 the sum of all factors of 725,631,735, excluding 725,631,735?

The factors of the number 725,631,735 are: 1, 3, 5, 15, 41, 107, 123, 205, 321, 535, 615, 1605, 4387, 11027, 13161, 21935, 33081, 55135, 65805, 165405, 452107, 1179889, 1356321, 2260535, 3539667, 5899445, 6781605, 17698335, 48375449, 145126347, 241877245, 725631735.

If you add them up, you will get the total of 725,632,209. Now subtract 725,631,735 to get 474,920,457