211738456321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{41379413}}^1$

素因数の和:41379480

約数の個数: 16

約数和(自身を含む): 262179967104

約数和(自身を除く): 50441510783

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 41379413, 289655891, 703450021, 1779314759, 4924150147, 12455203313, 30248350903, 211738456321]

約数ペア:

[(1, 211738456321), (7, 30248350903), (17, 12455203313), (43, 4924150147), (119, 1779314759), (301, 703450021), (731, 289655891), (5117, 41379413)]