71640448

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 171188640

約数和(自身を除く): 99548192

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 41, 44, 64, 68, 73, 82, 88, 128, 136, 146, 164, 176, 187, 272, 292, 328, 352, 374, 451, 544, 584, 656, 697, 704, 748, 803, 902, 1088, 1168, 1241, 1312, 1394, 1408, 1496, 1606, 1804, 2176, 2336, 2482, 2624, 2788, 2992, 2993, 3212, 3608, 4672, 4964, 5248, 5576, 5984, 5986, 6424, 7216, 7667, 9344, 9928, 11152, 11968, 11972, 12848, 13651, 14432, 15334, 19856, 22304, 23936, 23944, 25696, 27302, 28864, 30668, 32923, 39712, 44608, 47888, 50881, 51392, 54604, 57728, 61336, 65846, 79424, 89216, 95776, 101762, 102784, 109208, 122672, 131692, 158848, 191552, 203524, 218416, 245344, 263384, 383104, 407048, 436832, 490688, 526768, 559691, 814096, 873664, 981376, 1053536, 1119382, 1628192, 1747328, 2107072, 2238764, 3256384, 4214144, 4477528, 6512768, 8955056, 17910112, 35820224, 71640448]

約数ペア:

[(1, 71640448), (2, 35820224), (4, 17910112), (8, 8955056), (11, 6512768), (16, 4477528), (17, 4214144), (22, 3256384), (32, 2238764), (34, 2107072), (41, 1747328), (44, 1628192), (64, 1119382), (68, 1053536), (73, 981376), (82, 873664), (88, 814096), (128, 559691), (136, 526768), (146, 490688), (164, 436832), (176, 407048), (187, 383104), (272, 263384), (292, 245344), (328, 218416), (352, 203524), (374, 191552), (451, 158848), (544, 131692), (584, 122672), (656, 109208), (697, 102784), (704, 101762), (748, 95776), (803, 89216), (902, 79424), (1088, 65846), (1168, 61336), (1241, 57728), (1312, 54604), (1394, 51392), (1408, 50881), (1496, 47888), (1606, 44608), (1804, 39712), (2176, 32923), (2336, 30668), (2482, 28864), (2624, 27302), (2788, 25696), (2992, 23944), (2993, 23936), (3212, 22304), (3608, 19856), (4672, 15334), (4964, 14432), (5248, 13651), (5576, 12848), (5984, 11972), (5986, 11968), (6424, 11152), (7216, 9928), (7667, 9344)]