1640943367

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{73417}}^1$

素因数の和:73558

約数の個数: 16

約数和(自身を含む): 1954680832

約数和(自身を除く): 313737465

約数列:

[1, 7, 31, 103, 217, 721, 3193, 22351, 73417, 513919, 2275927, 7561951, 15931489, 52933657, 234420481, 1640943367]

約数ペア:

[(1, 1640943367), (7, 234420481), (31, 52933657), (103, 15931489), (217, 7561951), (721, 2275927), (3193, 513919), (22351, 73417)]