13247905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3049}}^1$

素因数の和:3144

約数の個数: 16

約数和(自身を含む): 17568000

約数和(自身を除く): 4320095

約数列:

[1, 5, 11, 55, 79, 395, 869, 3049, 4345, 15245, 33539, 167695, 240871, 1204355, 2649581, 13247905]

約数ペア:

[(1, 13247905), (5, 2649581), (11, 1204355), (55, 240871), (79, 167695), (395, 33539), (869, 15245), (3049, 4345)]