80229868

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{69403}}^1$

素因数の和:69441

約数の個数: 18

約数和(自身を含む): 149149196

約数和(自身を除く): 68919328

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 69403, 138806, 277612, 1179851, 2359702, 4719404, 20057467, 40114934, 80229868]

約数ペア:

[(1, 80229868), (2, 40114934), (4, 20057467), (17, 4719404), (34, 2359702), (68, 1179851), (289, 277612), (578, 138806), (1156, 69403)]