13971235

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3919}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 18063360

約数和(自身を除く): 4092125

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 3919, 19595, 90137, 121489, 450685, 607445, 2794247, 13971235]

約数ペア:

[(1, 13971235), (5, 2794247), (23, 607445), (31, 450685), (115, 121489), (155, 90137), (713, 19595), (3565, 3919)]