81807572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1759}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 179773440

約数和(自身を除く): 97965868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 151, 154, 302, 308, 604, 1057, 1661, 1759, 2114, 3322, 3518, 4228, 6644, 7036, 11627, 12313, 19349, 23254, 24626, 38698, 46508, 49252, 77396, 135443, 265609, 270886, 531218, 541772, 1062436, 1859263, 2921699, 3718526, 5843398, 7437052, 11686796, 20451893, 40903786, 81807572]

約数ペア:

[(1, 81807572), (2, 40903786), (4, 20451893), (7, 11686796), (11, 7437052), (14, 5843398), (22, 3718526), (28, 2921699), (44, 1859263), (77, 1062436), (151, 541772), (154, 531218), (302, 270886), (308, 265609), (604, 135443), (1057, 77396), (1661, 49252), (1759, 46508), (2114, 38698), (3322, 24626), (3518, 23254), (4228, 19349), (6644, 12313), (7036, 11627)]