66978445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{719}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 83220480

約数和(自身を除く): 16242035

約数列:

[1, 5, 31, 155, 601, 719, 3005, 3595, 18631, 22289, 93155, 111445, 432119, 2160595, 13395689, 66978445]

約数ペア:

[(1, 66978445), (5, 13395689), (31, 2160595), (155, 432119), (601, 111445), (719, 93155), (3005, 22289), (3595, 18631)]