66689905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{4649}}^1$

素因数の和:4824

約数の個数: 16

約数和(自身を含む): 84816000

約数和(自身を除く): 18126095

約数列:

[1, 5, 19, 95, 151, 755, 2869, 4649, 14345, 23245, 88331, 441655, 701999, 3509995, 13337981, 66689905]

約数ペア:

[(1, 66689905), (5, 13337981), (19, 3509995), (95, 701999), (151, 441655), (755, 88331), (2869, 23245), (4649, 14345)]