9871919

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 10752000

約数和(自身を除く): 880081

約数列:

[1, 29, 31, 79, 139, 899, 2291, 2449, 4031, 4309, 10981, 71021, 124961, 318449, 340411, 9871919]

約数ペア:

[(1, 9871919), (29, 340411), (31, 318449), (79, 124961), (139, 71021), (899, 10981), (2291, 4309), (2449, 4031)]