25199702

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1156

約数の個数: 24

約数和(自身を含む): 42000336

約数和(自身を除く): 16800634

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1031, 1111, 2062, 2222, 11341, 12221, 22682, 24442, 104131, 124751, 208262, 249502, 1145441, 2290882, 12599851, 25199702]

約数ペア:

[(1, 25199702), (2, 12599851), (11, 2290882), (22, 1145441), (101, 249502), (121, 208262), (202, 124751), (242, 104131), (1031, 24442), (1111, 22682), (2062, 12221), (2222, 11341)]