199897738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 319438080

約数和(自身を除く): 119540342

約数列:

[1, 2, 23, 46, 89, 157, 178, 311, 314, 622, 2047, 3611, 4094, 7153, 7222, 13973, 14306, 27679, 27946, 48827, 55358, 97654, 321379, 636617, 642758, 1123021, 1273234, 2246042, 4345603, 8691206, 99948869, 199897738]

約数ペア:

[(1, 199897738), (2, 99948869), (23, 8691206), (46, 4345603), (89, 2246042), (157, 1273234), (178, 1123021), (311, 642758), (314, 636617), (622, 321379), (2047, 97654), (3611, 55358), (4094, 48827), (7153, 27946), (7222, 27679), (13973, 14306)]