28806895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 38025936

約数和(自身を除く): 9219041

約数列:

[1, 5, 13, 65, 73, 169, 365, 467, 845, 949, 2335, 4745, 6071, 12337, 30355, 34091, 61685, 78923, 170455, 394615, 443183, 2215915, 5761379, 28806895]

約数ペア:

[(1, 28806895), (5, 5761379), (13, 2215915), (65, 443183), (73, 394615), (169, 170455), (365, 78923), (467, 61685), (845, 34091), (949, 30355), (2335, 12337), (4745, 6071)]