217212288

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 606320640

約数和(自身を除く): 389108352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 71, 93, 96, 124, 128, 142, 186, 192, 213, 248, 257, 284, 372, 384, 426, 496, 514, 568, 744, 771, 852, 992, 1028, 1136, 1488, 1542, 1704, 1984, 2056, 2201, 2272, 2976, 3084, 3408, 3968, 4112, 4402, 4544, 5952, 6168, 6603, 6816, 7967, 8224, 8804, 9088, 11904, 12336, 13206, 13632, 15934, 16448, 17608, 18247, 23901, 24672, 26412, 27264, 31868, 32896, 35216, 36494, 47802, 49344, 52824, 54741, 63736, 70432, 72988, 95604, 98688, 105648, 109482, 127472, 140864, 145976, 191208, 211296, 218964, 254944, 281728, 291952, 382416, 422592, 437928, 509888, 565657, 583904, 764832, 845184, 875856, 1019776, 1131314, 1167808, 1529664, 1696971, 1751712, 2262628, 2335616, 3059328, 3393942, 3503424, 4525256, 6787884, 7006848, 9050512, 13575768, 18101024, 27151536, 36202048, 54303072, 72404096, 108606144, 217212288]

約数ペア:

[(1, 217212288), (2, 108606144), (3, 72404096), (4, 54303072), (6, 36202048), (8, 27151536), (12, 18101024), (16, 13575768), (24, 9050512), (31, 7006848), (32, 6787884), (48, 4525256), (62, 3503424), (64, 3393942), (71, 3059328), (93, 2335616), (96, 2262628), (124, 1751712), (128, 1696971), (142, 1529664), (186, 1167808), (192, 1131314), (213, 1019776), (248, 875856), (257, 845184), (284, 764832), (372, 583904), (384, 565657), (426, 509888), (496, 437928), (514, 422592), (568, 382416), (744, 291952), (771, 281728), (852, 254944), (992, 218964), (1028, 211296), (1136, 191208), (1488, 145976), (1542, 140864), (1704, 127472), (1984, 109482), (2056, 105648), (2201, 98688), (2272, 95604), (2976, 72988), (3084, 70432), (3408, 63736), (3968, 54741), (4112, 52824), (4402, 49344), (4544, 47802), (5952, 36494), (6168, 35216), (6603, 32896), (6816, 31868), (7967, 27264), (8224, 26412), (8804, 24672), (9088, 23901), (11904, 18247), (12336, 17608), (13206, 16448), (13632, 15934)]