81152805904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{36489571}}^1$

素因数の和:36489718

約数の個数: 20

約数和(自身を含む): 158364742480

約数和(自身を除く): 77211936576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 36489571, 72979142, 145958284, 291916568, 583833136, 5072050369, 10144100738, 20288201476, 40576402952, 81152805904]

約数ペア:

[(1, 81152805904), (2, 40576402952), (4, 20288201476), (8, 10144100738), (16, 5072050369), (139, 583833136), (278, 291916568), (556, 145958284), (1112, 72979142), (2224, 36489571)]