81283072

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 181621440

約数和(自身を除く): 100338368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 71, 86, 104, 128, 142, 172, 208, 256, 284, 344, 416, 512, 559, 568, 688, 832, 923, 1024, 1118, 1136, 1376, 1664, 1846, 2048, 2236, 2272, 2752, 3053, 3328, 3692, 4472, 4544, 5504, 6106, 6656, 7384, 8944, 9088, 11008, 12212, 13312, 14768, 17888, 18176, 22016, 24424, 26624, 29536, 35776, 36352, 39689, 44032, 48848, 59072, 71552, 72704, 79378, 88064, 97696, 118144, 143104, 145408, 158756, 195392, 236288, 286208, 317512, 390784, 472576, 572416, 635024, 781568, 945152, 1144832, 1270048, 1563136, 1890304, 2540096, 3126272, 5080192, 6252544, 10160384, 20320768, 40641536, 81283072]

約数ペア:

[(1, 81283072), (2, 40641536), (4, 20320768), (8, 10160384), (13, 6252544), (16, 5080192), (26, 3126272), (32, 2540096), (43, 1890304), (52, 1563136), (64, 1270048), (71, 1144832), (86, 945152), (104, 781568), (128, 635024), (142, 572416), (172, 472576), (208, 390784), (256, 317512), (284, 286208), (344, 236288), (416, 195392), (512, 158756), (559, 145408), (568, 143104), (688, 118144), (832, 97696), (923, 88064), (1024, 79378), (1118, 72704), (1136, 71552), (1376, 59072), (1664, 48848), (1846, 44032), (2048, 39689), (2236, 36352), (2272, 35776), (2752, 29536), (3053, 26624), (3328, 24424), (3692, 22016), (4472, 18176), (4544, 17888), (5504, 14768), (6106, 13312), (6656, 12212), (7384, 11008), (8944, 9088)]