81982445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1319}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 101882880

約数和(自身を除く): 19900435

約数列:

[1, 5, 31, 155, 401, 1319, 2005, 6595, 12431, 40889, 62155, 204445, 528919, 2644595, 16396489, 81982445]

約数ペア:

[(1, 81982445), (5, 16396489), (31, 2644595), (155, 528919), (401, 204445), (1319, 62155), (2005, 40889), (6595, 12431)]