661705199

素因数分解:

${\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 713053440

約数和(自身を除く): 51348241

約数列:

[1, 31, 43, 67, 239, 961, 1333, 2077, 2881, 7409, 10277, 16013, 41323, 64387, 89311, 229679, 318587, 496403, 688559, 2768641, 9876197, 15388493, 21345329, 661705199]

約数ペア:

[(1, 661705199), (31, 21345329), (43, 15388493), (67, 9876197), (239, 2768641), (961, 688559), (1333, 496403), (2077, 318587), (2881, 229679), (7409, 89311), (10277, 64387), (16013, 41323)]