289651456

素因数分解:

$2^8\times {\mathrm{1131451}}^1$

素因数の和:1131467

約数の個数: 18

約数和(自身を含む): 578171972

約数和(自身を除く): 288520516

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1131451, 2262902, 4525804, 9051608, 18103216, 36206432, 72412864, 144825728, 289651456]

約数ペア:

[(1, 289651456), (2, 144825728), (4, 72412864), (8, 36206432), (16, 18103216), (32, 9051608), (64, 4525804), (128, 2262902), (256, 1131451)]