78835211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20147}}^1$

素因数の和:20210

約数の個数: 16

約数和(自身を含む): 99289344

約数和(自身を除く): 20454133

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 20147, 141029, 261911, 866321, 1833377, 6064247, 11262173, 78835211]

約数ペア:

[(1, 78835211), (7, 11262173), (13, 6064247), (43, 1833377), (91, 866321), (301, 261911), (559, 141029), (3913, 20147)]