Q: What is the sum of all factors of the number 705,751,005 excluding 705,751,005?

A: 511,206,819

Why is 511,206,819 the sum of all factors of 705,751,005, excluding 705,751,005?

The factors of the number 705,751,005 are: 1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 289, 355, 867, 1065, 1207, 1445, 2293, 3621, 4335, 6035, 6879, 11465, 18105, 20519, 34395, 38981, 61557, 102595, 116943, 162803, 194905, 307785, 488409, 584715, 662677, 814015, 1988031, 2442045, 2767651, 3313385, 8302953, 9940155, 13838255, 41514765, 47050067, 141150201, 235250335, 705751005.

If you add them up, you will get the total of 705,751,516. Now subtract 705,751,005 to get 511,206,819