20140211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5210

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 5229133

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5147, 36029, 66911, 221321, 468377, 1549247, 2877173, 20140211]

約数ペア:

[(1, 20140211), (7, 2877173), (13, 1549247), (43, 468377), (91, 221321), (301, 66911), (559, 36029), (3913, 5147)]