2021980177

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{87083}}^1$

素因数の和:87228

約数の個数: 16

約数和(自身を含む): 2407698432

約数和(自身を除く): 385718255

約数列:

[1, 7, 31, 107, 217, 749, 3317, 23219, 87083, 609581, 2699573, 9317881, 18897011, 65225167, 288854311, 2021980177]

約数ペア:

[(1, 2021980177), (7, 288854311), (31, 65225167), (107, 18897011), (217, 9317881), (749, 2699573), (3317, 609581), (23219, 87083)]