Q: What is the sum of all factors of the number 645,662,003 excluding 645,662,003?

A: 164,286,157

Why is 164,286,157 the sum of all factors of 645,662,003, excluding 645,662,003?

The factors of the number 645,662,003 are: 1, 7, 23, 29, 61, 161, 203, 427, 667, 1403, 1769, 2267, 4669, 9821, 12383, 15869, 40687, 52141, 65743, 138287, 284809, 364987, 460201, 968009, 1512089, 3180601, 4010323, 10584623, 22264207, 28072261, 92237429, 645662003.

If you add them up, you will get the total of 645,662,167. Now subtract 645,662,003 to get 164,286,157