81909826

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1\times {\mathrm{569}}^1$

素因数の和:1169

約数の個数: 16

約数和(自身を含む): 124104960

約数和(自身を除く): 42195134

約数列:

[1, 2, 167, 334, 431, 569, 862, 1138, 71977, 95023, 143954, 190046, 245239, 490478, 40954913, 81909826]

約数ペア:

[(1, 81909826), (2, 40954913), (167, 490478), (334, 245239), (431, 190046), (569, 143954), (862, 95023), (1138, 71977)]