213221888

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 497472624

約数和(自身を除く): 284250736

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 131, 136, 176, 187, 256, 262, 272, 289, 352, 374, 512, 524, 544, 578, 704, 748, 1048, 1088, 1156, 1408, 1441, 1496, 2096, 2176, 2227, 2312, 2816, 2882, 2992, 3179, 4192, 4352, 4454, 4624, 5632, 5764, 5984, 6358, 8384, 8704, 8908, 9248, 11528, 11968, 12716, 16768, 17816, 18496, 23056, 23936, 24497, 25432, 33536, 35632, 36992, 37859, 46112, 47872, 48994, 50864, 67072, 71264, 73984, 75718, 92224, 95744, 97988, 101728, 142528, 147968, 151436, 184448, 195976, 203456, 285056, 302872, 368896, 391952, 406912, 416449, 570112, 605744, 737792, 783904, 813824, 832898, 1140224, 1211488, 1567808, 1627648, 1665796, 2422976, 3135616, 3331592, 4845952, 6271232, 6663184, 9691904, 12542464, 13326368, 19383808, 26652736, 53305472, 106610944, 213221888]

約数ペア:

[(1, 213221888), (2, 106610944), (4, 53305472), (8, 26652736), (11, 19383808), (16, 13326368), (17, 12542464), (22, 9691904), (32, 6663184), (34, 6271232), (44, 4845952), (64, 3331592), (68, 3135616), (88, 2422976), (128, 1665796), (131, 1627648), (136, 1567808), (176, 1211488), (187, 1140224), (256, 832898), (262, 813824), (272, 783904), (289, 737792), (352, 605744), (374, 570112), (512, 416449), (524, 406912), (544, 391952), (578, 368896), (704, 302872), (748, 285056), (1048, 203456), (1088, 195976), (1156, 184448), (1408, 151436), (1441, 147968), (1496, 142528), (2096, 101728), (2176, 97988), (2227, 95744), (2312, 92224), (2816, 75718), (2882, 73984), (2992, 71264), (3179, 67072), (4192, 50864), (4352, 48994), (4454, 47872), (4624, 46112), (5632, 37859), (5764, 36992), (5984, 35632), (6358, 33536), (8384, 25432), (8704, 24497), (8908, 23936), (9248, 23056), (11528, 18496), (11968, 17816), (12716, 16768)]