28720090368

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{402107}}^1$

素因数の和:402160

約数の個数: 108

約数和(自身を含む): 85478510208

約数和(自身を除く): 56758419840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 11904, 17856, 23808, 35712, 71424, 402107, 804214, 1206321, 1608428, 2412642, 3216856, 3618963, 4825284, 6433712, 7237926, 9650568, 12465317, 12867424, 14475852, 19301136, 24930634, 25734848, 28951704, 37395951, 38602272, 49861268, 51469696, 57903408, 74791902, 77204544, 99722536, 102939392, 112187853, 115806816, 149583804, 154409088, 199445072, 224375706, 231613632, 299167608, 308818176, 398890144, 448751412, 463227264, 598335216, 797780288, 897502824, 926454528, 1196670432, 1595560576, 1795005648, 2393340864, 3191121152, 3590011296, 4786681728, 7180022592, 9573363456, 14360045184, 28720090368]

約数ペア:

[(1, 28720090368), (2, 14360045184), (3, 9573363456), (4, 7180022592), (6, 4786681728), (8, 3590011296), (9, 3191121152), (12, 2393340864), (16, 1795005648), (18, 1595560576), (24, 1196670432), (31, 926454528), (32, 897502824), (36, 797780288), (48, 598335216), (62, 463227264), (64, 448751412), (72, 398890144), (93, 308818176), (96, 299167608), (124, 231613632), (128, 224375706), (144, 199445072), (186, 154409088), (192, 149583804), (248, 115806816), (256, 112187853), (279, 102939392), (288, 99722536), (372, 77204544), (384, 74791902), (496, 57903408), (558, 51469696), (576, 49861268), (744, 38602272), (768, 37395951), (992, 28951704), (1116, 25734848), (1152, 24930634), (1488, 19301136), (1984, 14475852), (2232, 12867424), (2304, 12465317), (2976, 9650568), (3968, 7237926), (4464, 6433712), (5952, 4825284), (7936, 3618963), (8928, 3216856), (11904, 2412642), (17856, 1608428), (23808, 1206321), (35712, 804214), (71424, 402107)]