289791728

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{91939}}^1$

素因数の和:92144

約数の個数: 20

約数和(自身を含む): 564327720

約数和(自身を除く): 274535992

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 91939, 183878, 367756, 735512, 1471024, 18111983, 36223966, 72447932, 144895864, 289791728]

約数ペア:

[(1, 289791728), (2, 144895864), (4, 72447932), (8, 36223966), (16, 18111983), (197, 1471024), (394, 735512), (788, 367756), (1576, 183878), (3152, 91939)]