81828719

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1637}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 96602688

約数和(自身を除く): 14773969

約数列:

[1, 7, 37, 193, 259, 1351, 1637, 7141, 11459, 49987, 60569, 315941, 423983, 2211587, 11689817, 81828719]

約数ペア:

[(1, 81828719), (7, 11689817), (37, 2211587), (193, 423983), (259, 315941), (1351, 60569), (1637, 49987), (7141, 11459)]