161331856

素因数分解:

$2^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{3761}}^1$

素因数の和:4159

約数の個数: 40

約数和(自身を含む): 358262784

約数和(自身を除く): 196930928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 383, 766, 1532, 2681, 3064, 3761, 5362, 6128, 7522, 10724, 15044, 21448, 26327, 30088, 42896, 52654, 60176, 105308, 210616, 421232, 1440463, 2880926, 5761852, 10083241, 11523704, 20166482, 23047408, 40332964, 80665928, 161331856]

約数ペア:

[(1, 161331856), (2, 80665928), (4, 40332964), (7, 23047408), (8, 20166482), (14, 11523704), (16, 10083241), (28, 5761852), (56, 2880926), (112, 1440463), (383, 421232), (766, 210616), (1532, 105308), (2681, 60176), (3064, 52654), (3761, 42896), (5362, 30088), (6128, 26327), (7522, 21448), (10724, 15044)]