81923328

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 162

約数和(自身を含む): 250666962

約数和(自身を除く): 168743634

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 64, 72, 74, 93, 96, 111, 124, 128, 144, 148, 186, 192, 222, 248, 256, 279, 288, 296, 333, 372, 384, 444, 496, 558, 576, 592, 666, 744, 768, 888, 961, 992, 1116, 1147, 1152, 1184, 1332, 1488, 1776, 1922, 1984, 2232, 2294, 2304, 2368, 2664, 2883, 2976, 3441, 3552, 3844, 3968, 4464, 4588, 4736, 5328, 5766, 5952, 6882, 7104, 7688, 7936, 8649, 8928, 9176, 9472, 10323, 10656, 11532, 11904, 13764, 14208, 15376, 17298, 17856, 18352, 20646, 21312, 23064, 23808, 27528, 28416, 30752, 34596, 35557, 35712, 36704, 41292, 42624, 46128, 55056, 61504, 69192, 71114, 71424, 73408, 82584, 85248, 92256, 106671, 110112, 123008, 138384, 142228, 146816, 165168, 184512, 213342, 220224, 246016, 276768, 284456, 293632, 320013, 330336, 369024, 426684, 440448, 553536, 568912, 640026, 660672, 738048, 853368, 880896, 1107072, 1137824, 1280052, 1321344, 1706736, 2214144, 2275648, 2560104, 2642688, 3413472, 4551296, 5120208, 6826944, 9102592, 10240416, 13653888, 20480832, 27307776, 40961664, 81923328]

約数ペア:

[(1, 81923328), (2, 40961664), (3, 27307776), (4, 20480832), (6, 13653888), (8, 10240416), (9, 9102592), (12, 6826944), (16, 5120208), (18, 4551296), (24, 3413472), (31, 2642688), (32, 2560104), (36, 2275648), (37, 2214144), (48, 1706736), (62, 1321344), (64, 1280052), (72, 1137824), (74, 1107072), (93, 880896), (96, 853368), (111, 738048), (124, 660672), (128, 640026), (144, 568912), (148, 553536), (186, 440448), (192, 426684), (222, 369024), (248, 330336), (256, 320013), (279, 293632), (288, 284456), (296, 276768), (333, 246016), (372, 220224), (384, 213342), (444, 184512), (496, 165168), (558, 146816), (576, 142228), (592, 138384), (666, 123008), (744, 110112), (768, 106671), (888, 92256), (961, 85248), (992, 82584), (1116, 73408), (1147, 71424), (1152, 71114), (1184, 69192), (1332, 61504), (1488, 55056), (1776, 46128), (1922, 42624), (1984, 41292), (2232, 36704), (2294, 35712), (2304, 35557), (2368, 34596), (2664, 30752), (2883, 28416), (2976, 27528), (3441, 23808), (3552, 23064), (3844, 21312), (3968, 20646), (4464, 18352), (4588, 17856), (4736, 17298), (5328, 15376), (5766, 14208), (5952, 13764), (6882, 11904), (7104, 11532), (7688, 10656), (7936, 10323), (8649, 9472), (8928, 9176)]