215255824

素因数分解:

$2^4\times 7^3\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 80

約数和(自身を含む): 495107200

約数和(自身を除く): 279851376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 343, 392, 427, 488, 643, 686, 784, 854, 976, 1286, 1372, 1708, 2572, 2744, 2989, 3416, 4501, 5144, 5488, 5978, 6832, 9002, 10288, 11956, 18004, 20923, 23912, 31507, 36008, 39223, 41846, 47824, 63014, 72016, 78446, 83692, 126028, 156892, 167384, 220549, 252056, 274561, 313784, 334768, 441098, 504112, 549122, 627568, 882196, 1098244, 1764392, 1921927, 2196488, 3528784, 3843854, 4392976, 7687708, 13453489, 15375416, 26906978, 30750832, 53813956, 107627912, 215255824]

約数ペア:

[(1, 215255824), (2, 107627912), (4, 53813956), (7, 30750832), (8, 26906978), (14, 15375416), (16, 13453489), (28, 7687708), (49, 4392976), (56, 3843854), (61, 3528784), (98, 2196488), (112, 1921927), (122, 1764392), (196, 1098244), (244, 882196), (343, 627568), (392, 549122), (427, 504112), (488, 441098), (643, 334768), (686, 313784), (784, 274561), (854, 252056), (976, 220549), (1286, 167384), (1372, 156892), (1708, 126028), (2572, 83692), (2744, 78446), (2989, 72016), (3416, 63014), (4501, 47824), (5144, 41846), (5488, 39223), (5978, 36008), (6832, 31507), (9002, 23912), (10288, 20923), (11956, 18004)]