221512608

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 666521856

約数和(自身を除く): 445009248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 62, 72, 86, 93, 96, 124, 129, 144, 172, 186, 248, 258, 279, 288, 344, 372, 387, 496, 516, 558, 577, 688, 744, 774, 992, 1032, 1116, 1154, 1333, 1376, 1488, 1548, 1731, 2064, 2232, 2308, 2666, 2976, 3096, 3462, 3999, 4128, 4464, 4616, 5193, 5332, 6192, 6924, 7998, 8928, 9232, 10386, 10664, 11997, 12384, 13848, 15996, 17887, 18464, 20772, 21328, 23994, 24811, 27696, 31992, 35774, 41544, 42656, 47988, 49622, 53661, 55392, 63984, 71548, 74433, 83088, 95976, 99244, 107322, 127968, 143096, 148866, 160983, 166176, 191952, 198488, 214644, 223299, 286192, 297732, 321966, 383904, 396976, 429288, 446598, 572384, 595464, 643932, 769141, 793952, 858576, 893196, 1190928, 1287864, 1538282, 1717152, 1786392, 2307423, 2381856, 2575728, 3076564, 3572784, 4614846, 5151456, 6153128, 6922269, 7145568, 9229692, 12306256, 13844538, 18459384, 24612512, 27689076, 36918768, 55378152, 73837536, 110756304, 221512608]

約数ペア:

[(1, 221512608), (2, 110756304), (3, 73837536), (4, 55378152), (6, 36918768), (8, 27689076), (9, 24612512), (12, 18459384), (16, 13844538), (18, 12306256), (24, 9229692), (31, 7145568), (32, 6922269), (36, 6153128), (43, 5151456), (48, 4614846), (62, 3572784), (72, 3076564), (86, 2575728), (93, 2381856), (96, 2307423), (124, 1786392), (129, 1717152), (144, 1538282), (172, 1287864), (186, 1190928), (248, 893196), (258, 858576), (279, 793952), (288, 769141), (344, 643932), (372, 595464), (387, 572384), (496, 446598), (516, 429288), (558, 396976), (577, 383904), (688, 321966), (744, 297732), (774, 286192), (992, 223299), (1032, 214644), (1116, 198488), (1154, 191952), (1333, 166176), (1376, 160983), (1488, 148866), (1548, 143096), (1731, 127968), (2064, 107322), (2232, 99244), (2308, 95976), (2666, 83088), (2976, 74433), (3096, 71548), (3462, 63984), (3999, 55392), (4128, 53661), (4464, 49622), (4616, 47988), (5193, 42656), (5332, 41544), (6192, 35774), (6924, 31992), (7998, 27696), (8928, 24811), (9232, 23994), (10386, 21328), (10664, 20772), (11997, 18464), (12384, 17887), (13848, 15996)]