2017794821

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{997427}}^1$

素因数の和:997468

約数の個数: 12

約数和(自身を含む): 2449683168

約数和(自身を除く): 431888347

約数列:

[1, 7, 17, 119, 289, 2023, 997427, 6981989, 16956259, 118693813, 288256403, 2017794821]

約数ペア:

[(1, 2017794821), (7, 288256403), (17, 118693813), (119, 16956259), (289, 6981989), (2023, 997427)]