644193121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{264991}}^1$

素因数の和:265032

約数の個数: 16

約数和(自身を含む): 801335808

約数和(自身を除く): 157142687

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 264991, 2914901, 3444883, 4504847, 37893713, 49553317, 58563011, 644193121]

約数ペア:

[(1, 644193121), (11, 58563011), (13, 49553317), (17, 37893713), (143, 4504847), (187, 3444883), (221, 2914901), (2431, 264991)]