212770516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{330389}}^1$

素因数の和:330423

約数の個数: 24

約数和(自身を含む): 444044160

約数和(自身を除く): 231273644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 330389, 660778, 1321556, 2312723, 4625446, 7598947, 9250892, 15197894, 30395788, 53192629, 106385258, 212770516]

約数ペア:

[(1, 212770516), (2, 106385258), (4, 53192629), (7, 30395788), (14, 15197894), (23, 9250892), (28, 7598947), (46, 4625446), (92, 2312723), (161, 1321556), (322, 660778), (644, 330389)]