12289882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5531}}^1$

素因数の和:5645

約数の個数: 16

約数和(自身を含む): 20313504

約数和(自身を除く): 8023622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 5531, 11062, 60841, 121682, 558631, 1117262, 6144941, 12289882]

約数ペア:

[(1, 12289882), (2, 6144941), (11, 1117262), (22, 558631), (101, 121682), (202, 60841), (1111, 11062), (2222, 5531)]