51081709

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1607}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 61747200

約数和(自身を除く): 10665491

約数列:

[1, 7, 19, 133, 239, 1607, 1673, 4541, 11249, 30533, 31787, 213731, 384073, 2688511, 7297387, 51081709]

約数ペア:

[(1, 51081709), (7, 7297387), (19, 2688511), (133, 384073), (239, 213731), (1607, 31787), (1673, 30533), (4541, 11249)]