81849554

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{6947}}^1$

素因数の和:7129

約数の個数: 16

約数和(自身を含む): 126564768

約数和(自身を除く): 44715214

約数列:

[1, 2, 43, 86, 137, 274, 5891, 6947, 11782, 13894, 298721, 597442, 951739, 1903478, 40924777, 81849554]

約数ペア:

[(1, 81849554), (2, 40924777), (43, 1903478), (86, 951739), (137, 597442), (274, 298721), (5891, 13894), (6947, 11782)]