2005211761

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{141601}}^1$

素因数の和:141649

約数の個数: 18

約数和(自身を含む): 2477893398

約数和(自身を除く): 472681637

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 141601, 991207, 2407217, 6938449, 16850519, 40922689, 117953633, 286458823, 2005211761]

約数ペア:

[(1, 2005211761), (7, 286458823), (17, 117953633), (49, 40922689), (119, 16850519), (289, 6938449), (833, 2407217), (2023, 991207), (14161, 141601)]