9781812478

素因数分解:

$2^1\times {\mathrm{17}}^4\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1990

約数の個数: 40

約数和(自身を含む): 16101167040

約数和(自身を除く): 6319354562

約数列:

[1, 2, 17, 31, 34, 62, 289, 527, 578, 1054, 1889, 3778, 4913, 8959, 9826, 17918, 32113, 58559, 64226, 83521, 117118, 152303, 167042, 304606, 545921, 995503, 1091842, 1991006, 2589151, 5178302, 9280657, 16923551, 18561314, 33847102, 157771169, 287700367, 315542338, 575400734, 4890906239, 9781812478]

約数ペア:

[(1, 9781812478), (2, 4890906239), (17, 575400734), (31, 315542338), (34, 287700367), (62, 157771169), (289, 33847102), (527, 18561314), (578, 16923551), (1054, 9280657), (1889, 5178302), (3778, 2589151), (4913, 1991006), (8959, 1091842), (9826, 995503), (17918, 545921), (32113, 304606), (58559, 167042), (64226, 152303), (83521, 117118)]