258731766

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1386

約数の個数: 64

約数和(自身を含む): 598671360

約数和(自身を除く): 339939594

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 127, 186, 254, 279, 381, 558, 762, 837, 1143, 1217, 1674, 2286, 2434, 3429, 3651, 3937, 6858, 7302, 7874, 10953, 11811, 21906, 23622, 32859, 35433, 37727, 65718, 70866, 75454, 106299, 113181, 154559, 212598, 226362, 309118, 339543, 463677, 679086, 927354, 1018629, 1391031, 2037258, 2782062, 4173093, 4791329, 8346186, 9582658, 14373987, 28747974, 43121961, 86243922, 129365883, 258731766]

約数ペア:

[(1, 258731766), (2, 129365883), (3, 86243922), (6, 43121961), (9, 28747974), (18, 14373987), (27, 9582658), (31, 8346186), (54, 4791329), (62, 4173093), (93, 2782062), (127, 2037258), (186, 1391031), (254, 1018629), (279, 927354), (381, 679086), (558, 463677), (762, 339543), (837, 309118), (1143, 226362), (1217, 212598), (1674, 154559), (2286, 113181), (2434, 106299), (3429, 75454), (3651, 70866), (3937, 65718), (6858, 37727), (7302, 35433), (7874, 32859), (10953, 23622), (11811, 21906)]