81411352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 191808000

約数和(自身を除く): 110396648

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 29, 38, 44, 46, 58, 73, 76, 88, 92, 116, 146, 152, 184, 209, 232, 253, 292, 319, 418, 437, 506, 551, 584, 638, 667, 803, 836, 874, 1012, 1102, 1276, 1334, 1387, 1606, 1672, 1679, 1748, 2024, 2117, 2204, 2552, 2668, 2774, 3212, 3358, 3496, 4234, 4408, 4807, 5336, 5548, 6061, 6424, 6716, 7337, 8468, 9614, 11096, 12122, 12673, 13432, 14674, 15257, 16936, 18469, 19228, 23287, 24244, 25346, 29348, 30514, 31901, 36938, 38456, 40223, 46574, 48488, 48691, 50692, 58696, 61028, 63802, 73876, 80446, 93148, 97382, 101384, 122056, 127604, 139403, 147752, 160892, 186296, 194764, 255208, 278806, 321784, 350911, 389528, 442453, 535601, 557612, 701822, 884906, 925129, 1071202, 1115224, 1403644, 1769812, 1850258, 2142404, 2807288, 3539624, 3700516, 4284808, 7401032, 10176419, 20352838, 40705676, 81411352]

約数ペア:

[(1, 81411352), (2, 40705676), (4, 20352838), (8, 10176419), (11, 7401032), (19, 4284808), (22, 3700516), (23, 3539624), (29, 2807288), (38, 2142404), (44, 1850258), (46, 1769812), (58, 1403644), (73, 1115224), (76, 1071202), (88, 925129), (92, 884906), (116, 701822), (146, 557612), (152, 535601), (184, 442453), (209, 389528), (232, 350911), (253, 321784), (292, 278806), (319, 255208), (418, 194764), (437, 186296), (506, 160892), (551, 147752), (584, 139403), (638, 127604), (667, 122056), (803, 101384), (836, 97382), (874, 93148), (1012, 80446), (1102, 73876), (1276, 63802), (1334, 61028), (1387, 58696), (1606, 50692), (1672, 48691), (1679, 48488), (1748, 46574), (2024, 40223), (2117, 38456), (2204, 36938), (2552, 31901), (2668, 30514), (2774, 29348), (3212, 25346), (3358, 24244), (3496, 23287), (4234, 19228), (4408, 18469), (4807, 16936), (5336, 15257), (5548, 14674), (6061, 13432), (6424, 12673), (6716, 12122), (7337, 11096), (8468, 9614)]