7872745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 10080000

約数和(自身を除く): 2207255

約数列:

[1, 5, 19, 79, 95, 395, 1049, 1501, 5245, 7505, 19931, 82871, 99655, 414355, 1574549, 7872745]

約数ペア:

[(1, 7872745), (5, 1574549), (19, 414355), (79, 99655), (95, 82871), (395, 19931), (1049, 7505), (1501, 5245)]