25605866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 20879062

約数列:

[1, 2, 11, 13, 22, 26, 71, 97, 142, 143, 169, 194, 286, 338, 781, 923, 1067, 1261, 1562, 1846, 1859, 2134, 2522, 3718, 6887, 10153, 11999, 13774, 13871, 16393, 20306, 23998, 27742, 32786, 75757, 89531, 131989, 151514, 179062, 180323, 263978, 360646, 984841, 1163903, 1969682, 2327806, 12802933, 25605866]

約数ペア:

[(1, 25605866), (2, 12802933), (11, 2327806), (13, 1969682), (22, 1163903), (26, 984841), (71, 360646), (97, 263978), (142, 180323), (143, 179062), (169, 151514), (194, 131989), (286, 89531), (338, 75757), (781, 32786), (923, 27742), (1067, 23998), (1261, 20306), (1562, 16393), (1846, 13871), (1859, 13774), (2134, 11999), (2522, 10153), (3718, 6887)]