30731212

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 55051920

約数和(自身を除く): 24320708

約数列:

[1, 2, 4, 59, 118, 197, 236, 394, 661, 788, 1322, 2644, 11623, 23246, 38999, 46492, 77998, 130217, 155996, 260434, 520868, 7682803, 15365606, 30731212]

約数ペア:

[(1, 30731212), (2, 15365606), (4, 7682803), (59, 520868), (118, 260434), (197, 155996), (236, 130217), (394, 77998), (661, 46492), (788, 38999), (1322, 23246), (2644, 11623)]