218857535

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{11261}}^1$

素因数の和:11315

約数の個数: 24

約数和(自身を含む): 296776224

約数和(自身を除く): 77918689

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3887, 11261, 19435, 56305, 146393, 259003, 731965, 1295015, 1903109, 3367039, 9515545, 16835195, 43771507, 218857535]

約数ペア:

[(1, 218857535), (5, 43771507), (13, 16835195), (23, 9515545), (65, 3367039), (115, 1903109), (169, 1295015), (299, 731965), (845, 259003), (1495, 146393), (3887, 56305), (11261, 19435)]