399137915912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{108863}}^1\times {\mathrm{26959}}^1$

素因数の和:135845

約数の個数: 32

約数和(自身を含む): 792442828800

約数和(自身を除く): 393304912888

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 26959, 53918, 107836, 108863, 215672, 217726, 435452, 458303, 870904, 916606, 1833212, 1850671, 3666424, 3701342, 7402684, 14805368, 2934837617, 5869675234, 11739350468, 23478700936, 49892239489, 99784478978, 199568957956, 399137915912]

約数ペア:

[(1, 399137915912), (2, 199568957956), (4, 99784478978), (8, 49892239489), (17, 23478700936), (34, 11739350468), (68, 5869675234), (136, 2934837617), (26959, 14805368), (53918, 7402684), (107836, 3701342), (108863, 3666424), (215672, 1850671), (217726, 1833212), (435452, 916606), (458303, 870904)]