216105487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20347}}^1$

素因数の和:20422

約数の個数: 16

約数和(自身を含む): 250687360

約数和(自身を除く): 34581873

約数列:

[1, 13, 19, 43, 247, 559, 817, 10621, 20347, 264511, 386593, 874921, 5025709, 11373973, 16623499, 216105487]

約数ペア:

[(1, 216105487), (13, 16623499), (19, 11373973), (43, 5025709), (247, 874921), (559, 386593), (817, 264511), (10621, 20347)]