128617727

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 149299200

約数和(自身を除く): 20681473

約数列:

[1, 7, 89, 431, 479, 623, 3017, 3353, 38359, 42631, 206449, 268513, 298417, 1445143, 18373961, 128617727]

約数ペア:

[(1, 128617727), (7, 18373961), (89, 1445143), (431, 298417), (479, 268513), (623, 206449), (3017, 42631), (3353, 38359)]