258335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 395808

約数和(自身を除く): 137473

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 121, 305, 385, 427, 605, 671, 847, 2135, 3355, 4235, 4697, 7381, 23485, 36905, 51667, 258335]

約数ペア:

[(1, 258335), (5, 51667), (7, 36905), (11, 23485), (35, 7381), (55, 4697), (61, 4235), (77, 3355), (121, 2135), (305, 847), (385, 671), (427, 605)]