2489984

素因数分解:

$2^7\times 7^2\times {\mathrm{397}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 5784930

約数和(自身を除く): 3294946

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 397, 448, 784, 794, 896, 1568, 1588, 2779, 3136, 3176, 5558, 6272, 6352, 11116, 12704, 19453, 22232, 25408, 38906, 44464, 50816, 77812, 88928, 155624, 177856, 311248, 355712, 622496, 1244992, 2489984]

約数ペア:

[(1, 2489984), (2, 1244992), (4, 622496), (7, 355712), (8, 311248), (14, 177856), (16, 155624), (28, 88928), (32, 77812), (49, 50816), (56, 44464), (64, 38906), (98, 25408), (112, 22232), (128, 19453), (196, 12704), (224, 11116), (392, 6352), (397, 6272), (448, 5558), (784, 3176), (794, 3136), (896, 2779), (1568, 1588)]