205864978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{6449}}^1$

素因数の和:7913

約数の個数: 16

約数和(自身を含む): 337154400

約数和(自身を除く): 131289422

約数列:

[1, 2, 11, 22, 1451, 2902, 6449, 12898, 15961, 31922, 70939, 141878, 9357499, 18714998, 102932489, 205864978]

約数ペア:

[(1, 205864978), (2, 102932489), (11, 18714998), (22, 9357499), (1451, 141878), (2902, 70939), (6449, 31922), (12898, 15961)]