81216816

素因数分解:

$2^4\times 3^1\times {\mathrm{1692017}}^1$

素因数の和:1692028

約数の個数: 20

約数和(自身を含む): 209810232

約数和(自身を除く): 128593416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1692017, 3384034, 5076051, 6768068, 10152102, 13536136, 20304204, 27072272, 40608408, 81216816]

約数ペア:

[(1, 81216816), (2, 40608408), (3, 27072272), (4, 20304204), (6, 13536136), (8, 10152102), (12, 6768068), (16, 5076051), (24, 3384034), (48, 1692017)]