1285331575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{424903}}^1$

素因数の和:424935

約数の個数: 18

約数和(自身を含む): 1751879192

約数和(自身を除く): 466547617

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 424903, 2124515, 4673933, 10622575, 23369665, 51413263, 116848325, 257066315, 1285331575]

約数ペア:

[(1, 1285331575), (5, 257066315), (11, 116848325), (25, 51413263), (55, 23369665), (121, 10622575), (275, 4673933), (605, 2124515), (3025, 424903)]