217291277

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{27691}}^1$

素因数の和:27776

約数の個数: 16

約数和(自身を含む): 265843200

約数和(自身を除く): 48551923

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 27691, 193837, 526129, 1633769, 3682903, 11436383, 31041611, 217291277]

約数ペア:

[(1, 217291277), (7, 31041611), (19, 11436383), (59, 3682903), (133, 1633769), (413, 526129), (1121, 193837), (7847, 27691)]