Q: What is the sum of all factors of the number 256,072,258 excluding 256,072,258?

A: 188,504,126

Why is 188,504,126 the sum of all factors of 256,072,258, excluding 256,072,258?

The factors of the number 256,072,258 are: 1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 871, 1139, 1742, 2278, 8647, 14807, 17294, 29614, 112411, 146999, 224822, 293998, 579349, 1158698, 1910987, 3821974, 7531537, 9848933, 15063074, 19697866, 128036129, 256072258.

If you add them up, you will get the total of 256,072,446. Now subtract 256,072,258 to get 188,504,126