215569145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1949}}^1\times {\mathrm{2011}}^1$

素因数の和:3976

約数の個数: 16

約数和(自身を含む): 282484800

約数和(自身を除く): 66915655

約数列:

[1, 5, 11, 55, 1949, 2011, 9745, 10055, 21439, 22121, 107195, 110605, 3919439, 19597195, 43113829, 215569145]

約数ペア:

[(1, 215569145), (5, 43113829), (11, 19597195), (55, 3919439), (1949, 110605), (2011, 107195), (9745, 22121), (10055, 21439)]