217837312

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 556883712

約数和(自身を除く): 339046400

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 64, 77, 86, 88, 112, 128, 154, 172, 176, 224, 256, 257, 301, 308, 344, 352, 448, 473, 514, 602, 616, 688, 704, 896, 946, 1028, 1204, 1232, 1376, 1408, 1792, 1799, 1892, 2056, 2408, 2464, 2752, 2816, 2827, 3311, 3598, 3784, 4112, 4816, 4928, 5504, 5654, 6622, 7196, 7568, 8224, 9632, 9856, 11008, 11051, 11308, 13244, 14392, 15136, 16448, 19264, 19712, 19789, 22102, 22616, 26488, 28784, 30272, 32896, 38528, 39578, 44204, 45232, 52976, 57568, 60544, 65792, 77056, 77357, 79156, 88408, 90464, 105952, 115136, 121088, 121561, 154714, 158312, 176816, 180928, 211904, 230272, 243122, 309428, 316624, 353632, 361856, 423808, 460544, 486244, 618856, 633248, 707264, 723712, 847616, 850927, 972488, 1237712, 1266496, 1414528, 1701854, 1944976, 2475424, 2532992, 2829056, 3403708, 3889952, 4950848, 5065984, 6807416, 7779904, 9901696, 13614832, 15559808, 19803392, 27229664, 31119616, 54459328, 108918656, 217837312]

約数ペア:

[(1, 217837312), (2, 108918656), (4, 54459328), (7, 31119616), (8, 27229664), (11, 19803392), (14, 15559808), (16, 13614832), (22, 9901696), (28, 7779904), (32, 6807416), (43, 5065984), (44, 4950848), (56, 3889952), (64, 3403708), (77, 2829056), (86, 2532992), (88, 2475424), (112, 1944976), (128, 1701854), (154, 1414528), (172, 1266496), (176, 1237712), (224, 972488), (256, 850927), (257, 847616), (301, 723712), (308, 707264), (344, 633248), (352, 618856), (448, 486244), (473, 460544), (514, 423808), (602, 361856), (616, 353632), (688, 316624), (704, 309428), (896, 243122), (946, 230272), (1028, 211904), (1204, 180928), (1232, 176816), (1376, 158312), (1408, 154714), (1792, 121561), (1799, 121088), (1892, 115136), (2056, 105952), (2408, 90464), (2464, 88408), (2752, 79156), (2816, 77357), (2827, 77056), (3311, 65792), (3598, 60544), (3784, 57568), (4112, 52976), (4816, 45232), (4928, 44204), (5504, 39578), (5654, 38528), (6622, 32896), (7196, 30272), (7568, 28784), (8224, 26488), (9632, 22616), (9856, 22102), (11008, 19789), (11051, 19712), (11308, 19264), (13244, 16448), (14392, 15136)]