Q: What is the sum of all factors of the number 886,431 excluding 886,431?
A: 661,857
The factors of the number 886,431 are: 1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 191, 221, 273, 357, 573, 663, 1337, 1547, 2483, 3247, 4011, 4641, 7449, 9741, 17381, 22729, 42211, 52143, 68187, 126633, 295477, 886431.
If you add them up, you will get the total of 887,092. Now subtract 886,431 to get 661,857