664915013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{46723}}^1$

素因数の和:46856

約数の個数: 16

約数和(自身を含む): 807390720

約数和(自身を除く): 142475707

約数列:

[1, 7, 19, 107, 133, 749, 2033, 14231, 46723, 327061, 887737, 4999361, 6214159, 34995527, 94987859, 664915013]

約数ペア:

[(1, 664915013), (7, 94987859), (19, 34995527), (107, 6214159), (133, 4999361), (749, 887737), (2033, 327061), (14231, 46723)]