664672310

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{213721}}^1$

素因数の和:214039

約数の個数: 16

約数和(自身を含む): 1200262752

約数和(自身を除く): 535590442

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 213721, 427442, 1068605, 2137210, 66467231, 132934462, 332336155, 664672310]

約数ペア:

[(1, 664672310), (2, 332336155), (5, 132934462), (10, 66467231), (311, 2137210), (622, 1068605), (1555, 427442), (3110, 213721)]