216684181

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{5179}}^1$

素因数の和:5368

約数の個数: 16

約数和(自身を含む): 255270400

約数和(自身を除く): 38586219

約数列:

[1, 7, 43, 139, 301, 973, 5179, 5977, 36253, 41839, 222697, 719881, 1558879, 5039167, 30954883, 216684181]

約数ペア:

[(1, 216684181), (7, 30954883), (43, 5039167), (139, 1558879), (301, 719881), (973, 222697), (5179, 41839), (5977, 36253)]