257626368

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{3607}}^1$

素因数の和:3660

約数の個数: 108

約数和(自身を含む): 766974208

約数和(自身を除く): 509347840

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, 3607, 3968, 4464, 5952, 7214, 7936, 8928, 10821, 11904, 14428, 17856, 21642, 23808, 28856, 32463, 35712, 43284, 57712, 64926, 71424, 86568, 111817, 115424, 129852, 173136, 223634, 230848, 259704, 335451, 346272, 447268, 461696, 519408, 670902, 692544, 894536, 923392, 1006353, 1038816, 1341804, 1385088, 1789072, 2012706, 2077632, 2683608, 2770176, 3578144, 4025412, 4155264, 5367216, 7156288, 8050824, 8310528, 10734432, 14312576, 16101648, 21468864, 28625152, 32203296, 42937728, 64406592, 85875456, 128813184, 257626368]

約数ペア:

[(1, 257626368), (2, 128813184), (3, 85875456), (4, 64406592), (6, 42937728), (8, 32203296), (9, 28625152), (12, 21468864), (16, 16101648), (18, 14312576), (24, 10734432), (31, 8310528), (32, 8050824), (36, 7156288), (48, 5367216), (62, 4155264), (64, 4025412), (72, 3578144), (93, 2770176), (96, 2683608), (124, 2077632), (128, 2012706), (144, 1789072), (186, 1385088), (192, 1341804), (248, 1038816), (256, 1006353), (279, 923392), (288, 894536), (372, 692544), (384, 670902), (496, 519408), (558, 461696), (576, 447268), (744, 346272), (768, 335451), (992, 259704), (1116, 230848), (1152, 223634), (1488, 173136), (1984, 129852), (2232, 115424), (2304, 111817), (2976, 86568), (3607, 71424), (3968, 64926), (4464, 57712), (5952, 43284), (7214, 35712), (7936, 32463), (8928, 28856), (10821, 23808), (11904, 21642), (14428, 17856)]