214745999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20219}}^1$

素因数の和:20294

約数の個数: 16

約数和(自身を含む): 249110400

約数和(自身を除く): 34364401

約数列:

[1, 13, 19, 43, 247, 559, 817, 10621, 20219, 262847, 384161, 869417, 4994093, 11302421, 16518923, 214745999]

約数ペア:

[(1, 214745999), (13, 16518923), (19, 11302421), (43, 4994093), (247, 869417), (559, 384161), (817, 262847), (10621, 20219)]