208851328

素因数分解:

$2^7\times 7^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 499392000

約数和(自身を除く): 290540672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 71, 98, 112, 128, 134, 142, 196, 224, 268, 284, 343, 392, 448, 469, 497, 536, 568, 686, 784, 896, 938, 994, 1072, 1136, 1372, 1568, 1876, 1988, 2144, 2272, 2744, 3136, 3283, 3479, 3752, 3976, 4288, 4544, 4757, 5488, 6272, 6566, 6958, 7504, 7952, 8576, 9088, 9514, 10976, 13132, 13916, 15008, 15904, 19028, 21952, 22981, 24353, 26264, 27832, 30016, 31808, 33299, 38056, 43904, 45962, 48706, 52528, 55664, 60032, 63616, 66598, 76112, 91924, 97412, 105056, 111328, 133196, 152224, 183848, 194824, 210112, 222656, 233093, 266392, 304448, 367696, 389648, 420224, 445312, 466186, 532784, 608896, 735392, 779296, 932372, 1065568, 1470784, 1558592, 1631651, 1864744, 2131136, 2941568, 3117184, 3263302, 3729488, 4262272, 6526604, 7458976, 13053208, 14917952, 26106416, 29835904, 52212832, 104425664, 208851328]

約数ペア:

[(1, 208851328), (2, 104425664), (4, 52212832), (7, 29835904), (8, 26106416), (14, 14917952), (16, 13053208), (28, 7458976), (32, 6526604), (49, 4262272), (56, 3729488), (64, 3263302), (67, 3117184), (71, 2941568), (98, 2131136), (112, 1864744), (128, 1631651), (134, 1558592), (142, 1470784), (196, 1065568), (224, 932372), (268, 779296), (284, 735392), (343, 608896), (392, 532784), (448, 466186), (469, 445312), (497, 420224), (536, 389648), (568, 367696), (686, 304448), (784, 266392), (896, 233093), (938, 222656), (994, 210112), (1072, 194824), (1136, 183848), (1372, 152224), (1568, 133196), (1876, 111328), (1988, 105056), (2144, 97412), (2272, 91924), (2744, 76112), (3136, 66598), (3283, 63616), (3479, 60032), (3752, 55664), (3976, 52528), (4288, 48706), (4544, 45962), (4757, 43904), (5488, 38056), (6272, 33299), (6566, 31808), (6958, 30016), (7504, 27832), (7952, 26264), (8576, 24353), (9088, 22981), (9514, 21952), (10976, 19028), (13132, 15904), (13916, 15008)]