77980285

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{7717}}^1$

素因数の和:7812

約数の個数: 16

約数和(自身を含む): 97802496

約数和(自身を除く): 19822211

約数列:

[1, 5, 43, 47, 215, 235, 2021, 7717, 10105, 38585, 331831, 362699, 1659155, 1813495, 15596057, 77980285]

約数ペア:

[(1, 77980285), (5, 15596057), (43, 1813495), (47, 1659155), (215, 362699), (235, 331831), (2021, 38585), (7717, 10105)]