128940505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{1471}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 158552064

約数和(自身を除く): 29611559

約数列:

[1, 5, 47, 235, 373, 1471, 1865, 7355, 17531, 69137, 87655, 345685, 548683, 2743415, 25788101, 128940505]

約数ペア:

[(1, 128940505), (5, 25788101), (47, 2743415), (235, 548683), (373, 345685), (1471, 87655), (1865, 69137), (7355, 17531)]