81330385

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1\times {\mathrm{571}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 99582912

約数和(自身を除く): 18252527

約数列:

[1, 5, 61, 305, 467, 571, 2335, 2855, 28487, 34831, 142435, 174155, 266657, 1333285, 16266077, 81330385]

約数ペア:

[(1, 81330385), (5, 16266077), (61, 1333285), (305, 266657), (467, 174155), (571, 142435), (2335, 34831), (2855, 28487)]