91388638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{3739}}^1$

素因数の和:3864

約数の個数: 24

約数和(自身を含む): 152210520

約数和(自身を除く): 60821882

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 3739, 7478, 12221, 24442, 41129, 82258, 377639, 452419, 755278, 904838, 4154029, 8308058, 45694319, 91388638]

約数ペア:

[(1, 91388638), (2, 45694319), (11, 8308058), (22, 4154029), (101, 904838), (121, 755278), (202, 452419), (242, 377639), (1111, 82258), (2222, 41129), (3739, 24442), (7478, 12221)]