28991204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{6397}}^1$

素因数の和:6515

約数の個数: 24

約数和(自身を含む): 55892928

約数和(自身を除く): 26901724

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 6397, 12794, 25588, 70367, 140734, 281468, 658891, 1317782, 2635564, 7247801, 14495602, 28991204]

約数ペア:

[(1, 28991204), (2, 14495602), (4, 7247801), (11, 2635564), (22, 1317782), (44, 658891), (103, 281468), (206, 140734), (412, 70367), (1133, 25588), (2266, 12794), (4532, 6397)]