Q: What is the sum of all factors of the number 400,322,013 including 400,322,013?

A: 672,005,376

Why is 672,005,376 the sum of all factors of 400,322,013, including 400,322,013?

The factors of the number 400,322,013 are: 1, 3, 7, 13, 21, 39, 49, 91, 147, 271, 273, 637, 773, 813, 1897, 1911, 2319, 3523, 5411, 5691, 10049, 10569, 13279, 16233, 24661, 30147, 37877, 39837, 70343, 73983, 113631, 172627, 209483, 211029, 492401, 517881, 628449, 1466381, 1477203, 2723279, 4399143, 8169837, 10264667, 19062953, 30794001, 57188859, 133440671, 400322013.

If you add them up, you will get the total of 672,005,376.