209121022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{6551}}^1$

素因数の和:8015

約数の個数: 16

約数和(自身を含む): 342486144

約数和(自身を除く): 133365122

約数列:

[1, 2, 11, 22, 1451, 2902, 6551, 13102, 15961, 31922, 72061, 144122, 9505501, 19011002, 104560511, 209121022]

約数ペア:

[(1, 209121022), (2, 104560511), (11, 19011002), (22, 9505501), (1451, 144122), (2902, 72061), (6551, 31922), (13102, 15961)]