217391616

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 240

約数和(自身を含む): 714954240

約数和(自身を除く): 497562624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 128, 144, 152, 156, 171, 191, 192, 208, 228, 234, 247, 256, 288, 304, 312, 342, 382, 384, 416, 456, 468, 494, 512, 573, 576, 608, 624, 684, 741, 764, 768, 832, 912, 936, 988, 1146, 1152, 1216, 1248, 1368, 1482, 1528, 1536, 1664, 1719, 1824, 1872, 1976, 2223, 2292, 2304, 2432, 2483, 2496, 2736, 2964, 3056, 3328, 3438, 3629, 3648, 3744, 3952, 4446, 4584, 4608, 4864, 4966, 4992, 5472, 5928, 6112, 6656, 6876, 7258, 7296, 7449, 7488, 7904, 8892, 9168, 9728, 9932, 9984, 10887, 10944, 11856, 12224, 13752, 14516, 14592, 14898, 14976, 15808, 17784, 18336, 19864, 19968, 21774, 21888, 22347, 23712, 24448, 27504, 29032, 29184, 29796, 29952, 31616, 32661, 35568, 36672, 39728, 43548, 43776, 44694, 47177, 47424, 48896, 55008, 58064, 59592, 59904, 63232, 65322, 71136, 73344, 79456, 87096, 87552, 89388, 94354, 94848, 97792, 110016, 116128, 119184, 126464, 130644, 141531, 142272, 146688, 158912, 174192, 178776, 188708, 189696, 220032, 232256, 238368, 261288, 283062, 284544, 293376, 317824, 348384, 357552, 377416, 379392, 424593, 440064, 464512, 476736, 522576, 566124, 569088, 635648, 696768, 715104, 754832, 849186, 880128, 929024, 953472, 1045152, 1132248, 1138176, 1271296, 1393536, 1430208, 1509664, 1698372, 1858048, 1906944, 2090304, 2264496, 2787072, 2860416, 3019328, 3396744, 3813888, 4180608, 4528992, 5574144, 5720832, 6038656, 6793488, 8361216, 9057984, 11441664, 12077312, 13586976, 16722432, 18115968, 24154624, 27173952, 36231936, 54347904, 72463872, 108695808, 217391616]

約数ペア:

[(1, 217391616), (2, 108695808), (3, 72463872), (4, 54347904), (6, 36231936), (8, 27173952), (9, 24154624), (12, 18115968), (13, 16722432), (16, 13586976), (18, 12077312), (19, 11441664), (24, 9057984), (26, 8361216), (32, 6793488), (36, 6038656), (38, 5720832), (39, 5574144), (48, 4528992), (52, 4180608), (57, 3813888), (64, 3396744), (72, 3019328), (76, 2860416), (78, 2787072), (96, 2264496), (104, 2090304), (114, 1906944), (117, 1858048), (128, 1698372), (144, 1509664), (152, 1430208), (156, 1393536), (171, 1271296), (191, 1138176), (192, 1132248), (208, 1045152), (228, 953472), (234, 929024), (247, 880128), (256, 849186), (288, 754832), (304, 715104), (312, 696768), (342, 635648), (382, 569088), (384, 566124), (416, 522576), (456, 476736), (468, 464512), (494, 440064), (512, 424593), (573, 379392), (576, 377416), (608, 357552), (624, 348384), (684, 317824), (741, 293376), (764, 284544), (768, 283062), (832, 261288), (912, 238368), (936, 232256), (988, 220032), (1146, 189696), (1152, 188708), (1216, 178776), (1248, 174192), (1368, 158912), (1482, 146688), (1528, 142272), (1536, 141531), (1664, 130644), (1719, 126464), (1824, 119184), (1872, 116128), (1976, 110016), (2223, 97792), (2292, 94848), (2304, 94354), (2432, 89388), (2483, 87552), (2496, 87096), (2736, 79456), (2964, 73344), (3056, 71136), (3328, 65322), (3438, 63232), (3629, 59904), (3648, 59592), (3744, 58064), (3952, 55008), (4446, 48896), (4584, 47424), (4608, 47177), (4864, 44694), (4966, 43776), (4992, 43548), (5472, 39728), (5928, 36672), (6112, 35568), (6656, 32661), (6876, 31616), (7258, 29952), (7296, 29796), (7449, 29184), (7488, 29032), (7904, 27504), (8892, 24448), (9168, 23712), (9728, 22347), (9932, 21888), (9984, 21774), (10887, 19968), (10944, 19864), (11856, 18336), (12224, 17784), (13752, 15808), (14516, 14976), (14592, 14898)]