181971328

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 128

約数和(自身を含む): 465120000

約数和(自身を除く): 283148672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 128, 148, 154, 176, 224, 259, 296, 308, 352, 407, 448, 499, 518, 592, 616, 704, 814, 896, 998, 1036, 1184, 1232, 1408, 1628, 1996, 2072, 2368, 2464, 2849, 3256, 3493, 3992, 4144, 4736, 4928, 5489, 5698, 6512, 6986, 7984, 8288, 9856, 10978, 11396, 13024, 13972, 15968, 16576, 18463, 21956, 22792, 26048, 27944, 31936, 33152, 36926, 38423, 43912, 45584, 52096, 55888, 63872, 73852, 76846, 87824, 91168, 111776, 129241, 147704, 153692, 175648, 182336, 203093, 223552, 258482, 295408, 307384, 351296, 364672, 406186, 447104, 516964, 590816, 614768, 702592, 812372, 1033928, 1181632, 1229536, 1421651, 1624744, 2067856, 2363264, 2459072, 2843302, 3249488, 4135712, 4918144, 5686604, 6498976, 8271424, 11373208, 12997952, 16542848, 22746416, 25995904, 45492832, 90985664, 181971328]

約数ペア:

[(1, 181971328), (2, 90985664), (4, 45492832), (7, 25995904), (8, 22746416), (11, 16542848), (14, 12997952), (16, 11373208), (22, 8271424), (28, 6498976), (32, 5686604), (37, 4918144), (44, 4135712), (56, 3249488), (64, 2843302), (74, 2459072), (77, 2363264), (88, 2067856), (112, 1624744), (128, 1421651), (148, 1229536), (154, 1181632), (176, 1033928), (224, 812372), (259, 702592), (296, 614768), (308, 590816), (352, 516964), (407, 447104), (448, 406186), (499, 364672), (518, 351296), (592, 307384), (616, 295408), (704, 258482), (814, 223552), (896, 203093), (998, 182336), (1036, 175648), (1184, 153692), (1232, 147704), (1408, 129241), (1628, 111776), (1996, 91168), (2072, 87824), (2368, 76846), (2464, 73852), (2849, 63872), (3256, 55888), (3493, 52096), (3992, 45584), (4144, 43912), (4736, 38423), (4928, 36926), (5489, 33152), (5698, 31936), (6512, 27944), (6986, 26048), (7984, 22792), (8288, 21956), (9856, 18463), (10978, 16576), (11396, 15968), (13024, 13972)]