28945147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2106

約数の個数: 16

約数和(自身を含む): 36288000

約数和(自身を除く): 7342853

約数列:

[1, 7, 11, 77, 199, 1393, 1889, 2189, 13223, 15323, 20779, 145453, 375911, 2631377, 4135021, 28945147]

約数ペア:

[(1, 28945147), (7, 4135021), (11, 2631377), (77, 375911), (199, 145453), (1393, 20779), (1889, 15323), (2189, 13223)]