213881312

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4291

約数の個数: 48

約数和(自身を含む): 442621872

約数和(自身を除く): 228740560

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1184, 1376, 1591, 3182, 4201, 6364, 8402, 12728, 16804, 25456, 33608, 50912, 67216, 134432, 155437, 180643, 310874, 361286, 621748, 722572, 1243496, 1445144, 2486992, 2890288, 4973984, 5780576, 6683791, 13367582, 26735164, 53470328, 106940656, 213881312]

約数ペア:

[(1, 213881312), (2, 106940656), (4, 53470328), (8, 26735164), (16, 13367582), (32, 6683791), (37, 5780576), (43, 4973984), (74, 2890288), (86, 2486992), (148, 1445144), (172, 1243496), (296, 722572), (344, 621748), (592, 361286), (688, 310874), (1184, 180643), (1376, 155437), (1591, 134432), (3182, 67216), (4201, 50912), (6364, 33608), (8402, 25456), (12728, 16804)]