16639273

素因数分解:

$7^3\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 16

約数和(自身を含む): 19600000

約数和(自身を除く): 2960727

約数列:

[1, 7, 49, 139, 343, 349, 973, 2443, 6811, 17101, 47677, 48511, 119707, 339577, 2377039, 16639273]

約数ペア:

[(1, 16639273), (7, 2377039), (49, 339577), (139, 119707), (343, 48511), (349, 47677), (973, 17101), (2443, 6811)]