28514017

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 5483807

約数列:

[1, 7, 31, 101, 217, 707, 1301, 3131, 9107, 21917, 40331, 131401, 282317, 919807, 4073431, 28514017]

約数ペア:

[(1, 28514017), (7, 4073431), (31, 919807), (101, 282317), (217, 131401), (707, 40331), (1301, 21917), (3131, 9107)]