28148351

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 35750400

約数和(自身を除く): 7602049

約数列:

[1, 7, 11, 77, 121, 167, 199, 847, 1169, 1393, 1837, 2189, 12859, 15323, 20207, 24079, 33233, 141449, 168553, 232631, 365563, 2558941, 4021193, 28148351]

約数ペア:

[(1, 28148351), (7, 4021193), (11, 2558941), (77, 365563), (121, 232631), (167, 168553), (199, 141449), (847, 33233), (1169, 24079), (1393, 20207), (1837, 15323), (2189, 12859)]