17990885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 24016608

約数和(自身を除く): 6025723

約数列:

[1, 5, 11, 55, 121, 131, 227, 605, 655, 1135, 1441, 2497, 7205, 12485, 15851, 27467, 29737, 79255, 137335, 148685, 327107, 1635535, 3598177, 17990885]

約数ペア:

[(1, 17990885), (5, 3598177), (11, 1635535), (55, 327107), (121, 148685), (131, 137335), (227, 79255), (605, 29737), (655, 27467), (1135, 15851), (1441, 12485), (2497, 7205)]