25164568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21997}}^1$

素因数の和:22027

約数の個数: 32

約数和(自身を含む): 55434960

約数和(自身を除く): 30270392

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 21997, 43994, 87988, 175976, 241967, 285961, 483934, 571922, 967868, 1143844, 1935736, 2287688, 3145571, 6291142, 12582284, 25164568]

約数ペア:

[(1, 25164568), (2, 12582284), (4, 6291142), (8, 3145571), (11, 2287688), (13, 1935736), (22, 1143844), (26, 967868), (44, 571922), (52, 483934), (88, 285961), (104, 241967), (143, 175976), (286, 87988), (572, 43994), (1144, 21997)]