279967325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3623}}^1$

素因数の和:3925

約数の個数: 24

約数和(自身を含む): 380172096

約数和(自身を除く): 100204771

約数列:

[1, 5, 11, 25, 55, 275, 281, 1405, 3091, 3623, 7025, 15455, 18115, 39853, 77275, 90575, 199265, 996325, 1018063, 5090315, 11198693, 25451575, 55993465, 279967325]

約数ペア:

[(1, 279967325), (5, 55993465), (11, 25451575), (25, 11198693), (55, 5090315), (275, 1018063), (281, 996325), (1405, 199265), (3091, 90575), (3623, 77275), (7025, 39853), (15455, 18115)]