81217024

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 160

約数和(自身を含む): 207415296

約数和(自身を除く): 126198272

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 43, 56, 62, 64, 68, 86, 112, 119, 124, 128, 136, 172, 217, 224, 238, 248, 256, 272, 301, 344, 434, 448, 476, 496, 512, 527, 544, 602, 688, 731, 868, 896, 952, 992, 1054, 1088, 1204, 1333, 1376, 1462, 1736, 1792, 1904, 1984, 2108, 2176, 2408, 2666, 2752, 2924, 3472, 3584, 3689, 3808, 3968, 4216, 4352, 4816, 5117, 5332, 5504, 5848, 6944, 7378, 7616, 7936, 8432, 8704, 9331, 9632, 10234, 10664, 11008, 11696, 13888, 14756, 15232, 15872, 16864, 18662, 19264, 20468, 21328, 22016, 22661, 23392, 27776, 29512, 30464, 33728, 37324, 38528, 40936, 42656, 45322, 46784, 55552, 59024, 60928, 67456, 74648, 77056, 81872, 85312, 90644, 93568, 111104, 118048, 134912, 149296, 154112, 158627, 163744, 170624, 181288, 187136, 236096, 269824, 298592, 317254, 327488, 341248, 362576, 374272, 472192, 597184, 634508, 654976, 682496, 725152, 944384, 1194368, 1269016, 1309952, 1450304, 1888768, 2388736, 2538032, 2619904, 2900608, 4777472, 5076064, 5801216, 10152128, 11602432, 20304256, 40608512, 81217024]

約数ペア:

[(1, 81217024), (2, 40608512), (4, 20304256), (7, 11602432), (8, 10152128), (14, 5801216), (16, 5076064), (17, 4777472), (28, 2900608), (31, 2619904), (32, 2538032), (34, 2388736), (43, 1888768), (56, 1450304), (62, 1309952), (64, 1269016), (68, 1194368), (86, 944384), (112, 725152), (119, 682496), (124, 654976), (128, 634508), (136, 597184), (172, 472192), (217, 374272), (224, 362576), (238, 341248), (248, 327488), (256, 317254), (272, 298592), (301, 269824), (344, 236096), (434, 187136), (448, 181288), (476, 170624), (496, 163744), (512, 158627), (527, 154112), (544, 149296), (602, 134912), (688, 118048), (731, 111104), (868, 93568), (896, 90644), (952, 85312), (992, 81872), (1054, 77056), (1088, 74648), (1204, 67456), (1333, 60928), (1376, 59024), (1462, 55552), (1736, 46784), (1792, 45322), (1904, 42656), (1984, 40936), (2108, 38528), (2176, 37324), (2408, 33728), (2666, 30464), (2752, 29512), (2924, 27776), (3472, 23392), (3584, 22661), (3689, 22016), (3808, 21328), (3968, 20468), (4216, 19264), (4352, 18662), (4816, 16864), (5117, 15872), (5332, 15232), (5504, 14756), (5848, 13888), (6944, 11696), (7378, 11008), (7616, 10664), (7936, 10234), (8432, 9632), (8704, 9331)]