128947729

素因数分解:

${\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 136857600

約数和(自身を除く): 7909871

約数列:

[1, 23, 149, 191, 197, 3427, 4393, 4531, 28459, 29353, 37627, 654557, 675119, 865421, 5606423, 128947729]

約数ペア:

[(1, 128947729), (23, 5606423), (149, 865421), (191, 675119), (197, 654557), (3427, 37627), (4393, 29353), (4531, 28459)]