Q: What is the sum of all factors of the number 387,241,778 excluding 387,241,778?

A: 356,534,350

Why is 356,534,350 the sum of all factors of 387,241,778, excluding 387,241,778?

The factors of the number 387,241,778 are: 1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 5698, 67961, 135922, 475727, 747571, 951454, 1495142, 2514557, 5029114, 5232997, 10465994, 17601899, 27660127, 35203798, 55320254, 193620889, 387241778.

If you add them up, you will get the total of 387,242,134. Now subtract 387,241,778 to get 356,534,350