208814905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{45247}}^1$

素因数の和:45336

約数の個数: 16

約数和(自身を含む): 273659904

約数和(自身を除く): 64844999

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 45247, 226235, 588211, 2941055, 3212537, 16062685, 41762981, 208814905]

約数ペア:

[(1, 208814905), (5, 41762981), (13, 16062685), (65, 3212537), (71, 2941055), (355, 588211), (923, 226235), (4615, 45247)]