1999984

素因数分解:

$2^4\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2573

約数の個数: 30

約数和(自身を含む): 4509384

約数和(自身を除く): 2509400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 2551, 5102, 10204, 17857, 20408, 35714, 40816, 71428, 124999, 142856, 249998, 285712, 499996, 999992, 1999984]

約数ペア:

[(1, 1999984), (2, 999992), (4, 499996), (7, 285712), (8, 249998), (14, 142856), (16, 124999), (28, 71428), (49, 40816), (56, 35714), (98, 20408), (112, 17857), (196, 10204), (392, 5102), (784, 2551)]