397969869568

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2797}}^1\times {\mathrm{17929}}^1$

素因数の和:20773

約数の個数: 72

約数和(自身を含む): 820349425280

約数和(自身を除く): 422379555712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2797, 3968, 5594, 7936, 11188, 17929, 22376, 35858, 44752, 71716, 86707, 89504, 143432, 173414, 179008, 286864, 346828, 358016, 555799, 573728, 693656, 716032, 1111598, 1147456, 1387312, 2223196, 2294912, 2774624, 4446392, 4589824, 5549248, 8892784, 11098496, 17785568, 22196992, 35571136, 50147413, 71142272, 100294826, 142284544, 200589652, 401179304, 802358608, 1554569803, 1604717216, 3109139606, 3209434432, 6218279212, 6418868864, 12436558424, 12837737728, 24873116848, 49746233696, 99492467392, 198984934784, 397969869568]

約数ペア:

[(1, 397969869568), (2, 198984934784), (4, 99492467392), (8, 49746233696), (16, 24873116848), (31, 12837737728), (32, 12436558424), (62, 6418868864), (64, 6218279212), (124, 3209434432), (128, 3109139606), (248, 1604717216), (256, 1554569803), (496, 802358608), (992, 401179304), (1984, 200589652), (2797, 142284544), (3968, 100294826), (5594, 71142272), (7936, 50147413), (11188, 35571136), (17929, 22196992), (22376, 17785568), (35858, 11098496), (44752, 8892784), (71716, 5549248), (86707, 4589824), (89504, 4446392), (143432, 2774624), (173414, 2294912), (179008, 2223196), (286864, 1387312), (346828, 1147456), (358016, 1111598), (555799, 716032), (573728, 693656)]