31142188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101111}}^1$

素因数の和:101133

約数の個数: 24

約数和(自身を含む): 67947264

約数和(自身を除く): 36805076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 101111, 202222, 404444, 707777, 1112221, 1415554, 2224442, 2831108, 4448884, 7785547, 15571094, 31142188]

約数ペア:

[(1, 31142188), (2, 15571094), (4, 7785547), (7, 4448884), (11, 2831108), (14, 2224442), (22, 1415554), (28, 1112221), (44, 707777), (77, 404444), (154, 202222), (308, 101111)]