Q: What is the sum of all factors of the number 421,564,677 excluding 421,564,677?

A: 187,831,803

Why is 187,831,803 the sum of all factors of 421,564,677, excluding 421,564,677?

The factors of the number 421,564,677 are: 1, 3, 23, 29, 69, 87, 457, 461, 667, 1371, 1383, 2001, 10511, 10603, 13253, 13369, 31533, 31809, 39759, 40107, 210677, 304819, 307487, 632031, 914457, 922461, 4845571, 6109633, 14536713, 18328899, 140521559, 421564677.

If you add them up, you will get the total of 421,564,864. Now subtract 421,564,677 to get 187,831,803