1223315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 16

約数和(自身を含む): 1574400

約数和(自身を除く): 351085

約数列:

[1, 5, 19, 79, 95, 163, 395, 815, 1501, 3097, 7505, 12877, 15485, 64385, 244663, 1223315]

約数ペア:

[(1, 1223315), (5, 244663), (19, 64385), (79, 15485), (95, 12877), (163, 7505), (395, 3097), (815, 1501)]