999992

素因数分解:

$2^3\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 2181960

約数和(自身を除く): 1181968

約数列:

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

約数ペア:

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