664458438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{15820439}}^1$

素因数の和:15820451

約数の個数: 16

約数和(自身を含む): 1518762240

約数和(自身を除く): 854303802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 15820439, 31640878, 47461317, 94922634, 110743073, 221486146, 332229219, 664458438]

約数ペア:

[(1, 664458438), (2, 332229219), (3, 221486146), (6, 110743073), (7, 94922634), (14, 47461317), (21, 31640878), (42, 15820439)]