256768561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{3001}}^1$

素因数の和:3744

約数の個数: 16

約数和(自身を含む): 311247360

約数和(自身を除く): 54478799

約数列:

[1, 7, 17, 119, 719, 3001, 5033, 12223, 21007, 51017, 85561, 357119, 2157719, 15104033, 36681223, 256768561]

約数ペア:

[(1, 256768561), (7, 36681223), (17, 15104033), (119, 2157719), (719, 357119), (3001, 85561), (5033, 51017), (12223, 21007)]