8890222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4115

約数の個数: 16

約数和(自身を含む): 14695344

約数和(自身を除く): 5805122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 4001, 8002, 44011, 88022, 404101, 808202, 4445111, 8890222]

約数ペア:

[(1, 8890222), (2, 4445111), (11, 808202), (22, 404101), (101, 88022), (202, 44011), (1111, 8002), (2222, 4001)]