Q: What is the sum of all factors of the number 1,123,456 including 1,123,456?
A: 2,288,880
The factors of the number 1,123,456 are: 1, 2, 4, 8, 16, 32, 64, 67, 128, 131, 134, 262, 268, 524, 536, 1048, 1072, 2096, 2144, 4192, 4288, 8384, 8576, 8777, 16768, 17554, 35108, 70216, 140432, 280864, 561728, 1123456.
If you add them up, you will get the total of 2,288,880.