189884672

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 397942272

約数和(自身を除く): 208057600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 337, 496, 568, 674, 992, 1136, 1348, 1984, 2201, 2272, 2696, 3968, 4402, 4544, 5392, 7936, 8804, 9088, 10447, 10784, 17608, 18176, 20894, 21568, 23927, 35216, 41788, 43136, 47854, 70432, 83576, 86272, 95708, 140864, 167152, 191416, 281728, 334304, 382832, 563456, 668608, 741737, 765664, 1337216, 1483474, 1531328, 2674432, 2966948, 3062656, 5933896, 6125312, 11867792, 23735584, 47471168, 94942336, 189884672]

約数ペア:

[(1, 189884672), (2, 94942336), (4, 47471168), (8, 23735584), (16, 11867792), (31, 6125312), (32, 5933896), (62, 3062656), (64, 2966948), (71, 2674432), (124, 1531328), (128, 1483474), (142, 1337216), (248, 765664), (256, 741737), (284, 668608), (337, 563456), (496, 382832), (568, 334304), (674, 281728), (992, 191416), (1136, 167152), (1348, 140864), (1984, 95708), (2201, 86272), (2272, 83576), (2696, 70432), (3968, 47854), (4402, 43136), (4544, 41788), (5392, 35216), (7936, 23927), (8804, 21568), (9088, 20894), (10447, 18176), (10784, 17608)]