664441687

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317459}}^1$

素因数の和:317502

約数の個数: 16

約数和(自身を含む): 853332480

約数和(自身を除く): 188890793

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 317459, 2222213, 4126967, 7301557, 28888769, 51110899, 94920241, 664441687]

約数ペア:

[(1, 664441687), (7, 94920241), (13, 51110899), (23, 28888769), (91, 7301557), (161, 4126967), (299, 2222213), (2093, 317459)]