Q: What is the sum of all factors of the number 813,643,887 excluding 813,643,887?
A: 466,190,225
The factors of the number 813,643,887 are: 1, 3, 7, 21, 31, 93, 217, 651, 1249837, 3749511, 8748859, 26246577, 38744947, 116234841, 271214629, 813643887.
If you add them up, you will get the total of 813,644,353. Now subtract 813,643,887 to get 466,190,225