81730745

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{3919}}^1$

素因数の和:4064

約数の個数: 16

約数和(自身を含む): 101418240

約数和(自身を除く): 19687495

約数列:

[1, 5, 43, 97, 215, 485, 3919, 4171, 19595, 20855, 168517, 380143, 842585, 1900715, 16346149, 81730745]

約数ペア:

[(1, 81730745), (5, 16346149), (43, 1900715), (97, 842585), (215, 380143), (485, 168517), (3919, 20855), (4171, 19595)]