157427578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 312698880

約数和(自身を除く): 155271302

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 173, 209, 266, 311, 346, 418, 622, 1211, 1463, 1903, 2177, 2422, 2926, 3287, 3421, 3806, 4354, 5909, 6574, 6842, 11818, 13321, 23009, 23947, 26642, 36157, 41363, 46018, 47894, 53803, 64999, 72314, 82726, 107606, 129998, 253099, 376621, 454993, 506198, 591833, 753242, 909986, 1022257, 1183666, 2044514, 4142831, 7155799, 8285662, 11244827, 14311598, 22489654, 78713789, 157427578]

約数ペア:

[(1, 157427578), (2, 78713789), (7, 22489654), (11, 14311598), (14, 11244827), (19, 8285662), (22, 7155799), (38, 4142831), (77, 2044514), (133, 1183666), (154, 1022257), (173, 909986), (209, 753242), (266, 591833), (311, 506198), (346, 454993), (418, 376621), (622, 253099), (1211, 129998), (1463, 107606), (1903, 82726), (2177, 72314), (2422, 64999), (2926, 53803), (3287, 47894), (3421, 46018), (3806, 41363), (4354, 36157), (5909, 26642), (6574, 23947), (6842, 23009), (11818, 13321)]