2251205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^2$

素因数の和:149

約数の個数: 18

約数和(自身を含む): 3018834

約数和(自身を除く): 767629

約数列:

[1, 5, 11, 55, 61, 121, 305, 605, 671, 3355, 3721, 7381, 18605, 36905, 40931, 204655, 450241, 2251205]

約数ペア:

[(1, 2251205), (5, 450241), (11, 204655), (55, 40931), (61, 36905), (121, 18605), (305, 7381), (605, 3721), (671, 3355)]