40398182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18181}}^1$

素因数の和:18295

約数の個数: 16

約数和(自身を含む): 66764304

約数和(自身を除く): 26366122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 18181, 36362, 199991, 399982, 1836281, 3672562, 20199091, 40398182]

約数ペア:

[(1, 40398182), (2, 20199091), (11, 3672562), (22, 1836281), (101, 399982), (202, 199991), (1111, 36362), (2222, 18181)]