211399463

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 249141984

約数和(自身を除く): 37742521

約数列:

[1, 11, 23, 37, 121, 253, 407, 851, 2053, 2783, 4477, 9361, 22583, 47219, 75961, 102971, 248413, 519409, 835571, 1747103, 5713499, 9191281, 19218133, 211399463]

約数ペア:

[(1, 211399463), (11, 19218133), (23, 9191281), (37, 5713499), (121, 1747103), (253, 835571), (407, 519409), (851, 248413), (2053, 102971), (2783, 75961), (4477, 47219), (9361, 22583)]