123408865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{8111}}^1$

素因数の和:8312

約数の個数: 16

約数和(自身を含む): 157697280

約数和(自身を除く): 34288415

約数列:

[1, 5, 17, 85, 179, 895, 3043, 8111, 15215, 40555, 137887, 689435, 1451869, 7259345, 24681773, 123408865]

約数ペア:

[(1, 123408865), (5, 24681773), (17, 7259345), (85, 1451869), (179, 689435), (895, 137887), (3043, 40555), (8111, 15215)]