81419392

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 180368640

約数和(自身を除く): 98949248

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 71, 124, 128, 136, 142, 248, 272, 284, 289, 496, 527, 544, 568, 578, 992, 1054, 1088, 1136, 1156, 1207, 1984, 2108, 2176, 2201, 2272, 2312, 2414, 3968, 4216, 4402, 4544, 4624, 4828, 8432, 8804, 8959, 9088, 9248, 9656, 16864, 17608, 17918, 18496, 19312, 20519, 33728, 35216, 35836, 36992, 37417, 38624, 41038, 67456, 70432, 71672, 74834, 77248, 82076, 140864, 143344, 149668, 154496, 164152, 281728, 286688, 299336, 328304, 573376, 598672, 636089, 656608, 1146752, 1197344, 1272178, 1313216, 2394688, 2544356, 2626432, 4789376, 5088712, 10177424, 20354848, 40709696, 81419392]

約数ペア:

[(1, 81419392), (2, 40709696), (4, 20354848), (8, 10177424), (16, 5088712), (17, 4789376), (31, 2626432), (32, 2544356), (34, 2394688), (62, 1313216), (64, 1272178), (68, 1197344), (71, 1146752), (124, 656608), (128, 636089), (136, 598672), (142, 573376), (248, 328304), (272, 299336), (284, 286688), (289, 281728), (496, 164152), (527, 154496), (544, 149668), (568, 143344), (578, 140864), (992, 82076), (1054, 77248), (1088, 74834), (1136, 71672), (1156, 70432), (1207, 67456), (1984, 41038), (2108, 38624), (2176, 37417), (2201, 36992), (2272, 35836), (2312, 35216), (2414, 33728), (3968, 20519), (4216, 19312), (4402, 18496), (4544, 17918), (4624, 17608), (4828, 16864), (8432, 9656), (8804, 9248), (8959, 9088)]