217146496

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 530530560

約数和(自身を除く): 313384064

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 41, 46, 56, 64, 82, 92, 112, 128, 161, 164, 184, 224, 257, 287, 322, 328, 368, 448, 514, 574, 644, 656, 736, 896, 943, 1028, 1148, 1288, 1312, 1472, 1799, 1886, 2056, 2296, 2576, 2624, 2944, 3598, 3772, 4112, 4592, 5152, 5248, 5911, 6601, 7196, 7544, 8224, 9184, 10304, 10537, 11822, 13202, 14392, 15088, 16448, 18368, 20608, 21074, 23644, 26404, 28784, 30176, 32896, 36736, 41377, 42148, 47288, 52808, 57568, 60352, 73759, 82754, 84296, 94576, 105616, 115136, 120704, 147518, 165508, 168592, 189152, 211232, 230272, 242351, 295036, 331016, 337184, 378304, 422464, 484702, 590072, 662032, 674368, 756608, 844928, 969404, 1180144, 1324064, 1348736, 1696457, 1938808, 2360288, 2648128, 3392914, 3877616, 4720576, 5296256, 6785828, 7755232, 9441152, 13571656, 15510464, 27143312, 31020928, 54286624, 108573248, 217146496]

約数ペア:

[(1, 217146496), (2, 108573248), (4, 54286624), (7, 31020928), (8, 27143312), (14, 15510464), (16, 13571656), (23, 9441152), (28, 7755232), (32, 6785828), (41, 5296256), (46, 4720576), (56, 3877616), (64, 3392914), (82, 2648128), (92, 2360288), (112, 1938808), (128, 1696457), (161, 1348736), (164, 1324064), (184, 1180144), (224, 969404), (257, 844928), (287, 756608), (322, 674368), (328, 662032), (368, 590072), (448, 484702), (514, 422464), (574, 378304), (644, 337184), (656, 331016), (736, 295036), (896, 242351), (943, 230272), (1028, 211232), (1148, 189152), (1288, 168592), (1312, 165508), (1472, 147518), (1799, 120704), (1886, 115136), (2056, 105616), (2296, 94576), (2576, 84296), (2624, 82754), (2944, 73759), (3598, 60352), (3772, 57568), (4112, 52808), (4592, 47288), (5152, 42148), (5248, 41377), (5911, 36736), (6601, 32896), (7196, 30176), (7544, 28784), (8224, 26404), (9184, 23644), (10304, 21074), (10537, 20608), (11822, 18368), (13202, 16448), (14392, 15088)]