131686478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 256352256

約数和(自身を除く): 124665778

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 154, 191, 242, 259, 382, 407, 518, 814, 847, 1331, 1337, 1694, 2101, 2662, 2674, 2849, 4202, 4477, 5698, 7067, 8954, 9317, 14134, 14707, 18634, 23111, 29414, 31339, 46222, 49247, 49469, 62678, 77737, 98494, 98938, 155474, 161777, 254221, 323554, 344729, 508442, 544159, 689458, 855107, 1088318, 1710214, 1779547, 3559094, 5985749, 9406177, 11971498, 18812354, 65843239, 131686478]

約数ペア:

[(1, 131686478), (2, 65843239), (7, 18812354), (11, 11971498), (14, 9406177), (22, 5985749), (37, 3559094), (74, 1779547), (77, 1710214), (121, 1088318), (154, 855107), (191, 689458), (242, 544159), (259, 508442), (382, 344729), (407, 323554), (518, 254221), (814, 161777), (847, 155474), (1331, 98938), (1337, 98494), (1694, 77737), (2101, 62678), (2662, 49469), (2674, 49247), (2849, 46222), (4202, 31339), (4477, 29414), (5698, 23111), (7067, 18634), (8954, 14707), (9317, 14134)]