217929504

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 655699968

約数和(自身を除く): 437770464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 43, 48, 52, 62, 78, 86, 93, 96, 104, 124, 129, 131, 156, 172, 186, 208, 248, 258, 262, 312, 344, 372, 393, 403, 416, 496, 516, 524, 559, 624, 688, 744, 786, 806, 992, 1032, 1048, 1118, 1209, 1248, 1333, 1376, 1488, 1572, 1612, 1677, 1703, 2064, 2096, 2236, 2418, 2666, 2976, 3144, 3224, 3354, 3406, 3999, 4061, 4128, 4192, 4472, 4836, 5109, 5332, 5633, 6288, 6448, 6708, 6812, 7998, 8122, 8944, 9672, 10218, 10664, 11266, 12183, 12576, 12896, 13416, 13624, 15996, 16244, 16899, 17329, 17888, 19344, 20436, 21328, 22532, 24366, 26832, 27248, 31992, 32488, 33798, 34658, 38688, 40872, 42656, 45064, 48732, 51987, 52793, 53664, 54496, 63984, 64976, 67596, 69316, 73229, 81744, 90128, 97464, 103974, 105586, 127968, 129952, 135192, 138632, 146458, 158379, 163488, 174623, 180256, 194928, 207948, 211172, 219687, 270384, 277264, 292916, 316758, 349246, 389856, 415896, 422344, 439374, 523869, 540768, 554528, 585832, 633516, 698492, 831792, 844688, 878748, 1047738, 1171664, 1267032, 1396984, 1663584, 1689376, 1757496, 2095476, 2270099, 2343328, 2534064, 2793968, 3514992, 4190952, 4540198, 5068128, 5587936, 6810297, 7029984, 8381904, 9080396, 13620594, 16763808, 18160792, 27241188, 36321584, 54482376, 72643168, 108964752, 217929504]

約数ペア:

[(1, 217929504), (2, 108964752), (3, 72643168), (4, 54482376), (6, 36321584), (8, 27241188), (12, 18160792), (13, 16763808), (16, 13620594), (24, 9080396), (26, 8381904), (31, 7029984), (32, 6810297), (39, 5587936), (43, 5068128), (48, 4540198), (52, 4190952), (62, 3514992), (78, 2793968), (86, 2534064), (93, 2343328), (96, 2270099), (104, 2095476), (124, 1757496), (129, 1689376), (131, 1663584), (156, 1396984), (172, 1267032), (186, 1171664), (208, 1047738), (248, 878748), (258, 844688), (262, 831792), (312, 698492), (344, 633516), (372, 585832), (393, 554528), (403, 540768), (416, 523869), (496, 439374), (516, 422344), (524, 415896), (559, 389856), (624, 349246), (688, 316758), (744, 292916), (786, 277264), (806, 270384), (992, 219687), (1032, 211172), (1048, 207948), (1118, 194928), (1209, 180256), (1248, 174623), (1333, 163488), (1376, 158379), (1488, 146458), (1572, 138632), (1612, 135192), (1677, 129952), (1703, 127968), (2064, 105586), (2096, 103974), (2236, 97464), (2418, 90128), (2666, 81744), (2976, 73229), (3144, 69316), (3224, 67596), (3354, 64976), (3406, 63984), (3999, 54496), (4061, 53664), (4128, 52793), (4192, 51987), (4472, 48732), (4836, 45064), (5109, 42656), (5332, 40872), (5633, 38688), (6288, 34658), (6448, 33798), (6708, 32488), (6812, 31992), (7998, 27248), (8122, 26832), (8944, 24366), (9672, 22532), (10218, 21328), (10664, 20436), (11266, 19344), (12183, 17888), (12576, 17329), (12896, 16899), (13416, 16244), (13624, 15996)]