1220431681

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{761}}^1\times {\mathrm{1423}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 1484400384

約数和(自身を除く): 263968703

約数列:

[1, 7, 23, 49, 161, 761, 1127, 1423, 5327, 9961, 17503, 32729, 37289, 69727, 122521, 229103, 857647, 1082903, 1603721, 7580321, 24906769, 53062247, 174347383, 1220431681]

約数ペア:

[(1, 1220431681), (7, 174347383), (23, 53062247), (49, 24906769), (161, 7580321), (761, 1603721), (1127, 1082903), (1423, 857647), (5327, 229103), (9961, 122521), (17503, 69727), (32729, 37289)]