25639768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 35013032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 107, 154, 214, 308, 389, 428, 616, 749, 778, 856, 1177, 1498, 1556, 2354, 2723, 2996, 3112, 4279, 4708, 5446, 5992, 8239, 8558, 9416, 10892, 16478, 17116, 21784, 29953, 32956, 34232, 41623, 59906, 65912, 83246, 119812, 166492, 239624, 291361, 332984, 457853, 582722, 915706, 1165444, 1831412, 2330888, 3204971, 3662824, 6409942, 12819884, 25639768]

約数ペア:

[(1, 25639768), (2, 12819884), (4, 6409942), (7, 3662824), (8, 3204971), (11, 2330888), (14, 1831412), (22, 1165444), (28, 915706), (44, 582722), (56, 457853), (77, 332984), (88, 291361), (107, 239624), (154, 166492), (214, 119812), (308, 83246), (389, 65912), (428, 59906), (616, 41623), (749, 34232), (778, 32956), (856, 29953), (1177, 21784), (1498, 17116), (1556, 16478), (2354, 10892), (2723, 9416), (2996, 8558), (3112, 8239), (4279, 5992), (4708, 5446)]