428747984

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{53917}}^1$

素因数の和:54003

約数の個数: 40

約数和(自身を含む): 962759808

約数和(自身を除く): 534011824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 53917, 107834, 215668, 377419, 431336, 754838, 862672, 1509676, 3019352, 3828107, 6038704, 7656214, 15312428, 26796749, 30624856, 53593498, 61249712, 107186996, 214373992, 428747984]

約数ペア:

[(1, 428747984), (2, 214373992), (4, 107186996), (7, 61249712), (8, 53593498), (14, 30624856), (16, 26796749), (28, 15312428), (56, 7656214), (71, 6038704), (112, 3828107), (142, 3019352), (284, 1509676), (497, 862672), (568, 754838), (994, 431336), (1136, 377419), (1988, 215668), (3976, 107834), (7952, 53917)]