2009200739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{206347}}^1$

素因数の和:206474

約数の個数: 16

約数和(自身を含む): 2495985408

約数和(自身を除く): 486784669

約数列:

[1, 7, 13, 91, 107, 749, 1391, 9737, 206347, 1444429, 2682511, 18777577, 22079129, 154553903, 287028677, 2009200739]

約数ペア:

[(1, 2009200739), (7, 287028677), (13, 154553903), (91, 22079129), (107, 18777577), (749, 2682511), (1391, 1444429), (9737, 206347)]