1278754561

素因数分解:

$7^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1\times {\mathrm{2521}}^1$

素因数の和:3072

約数の個数: 16

約数和(自身を含む): 1473009408

約数和(自身を除く): 194254847

約数列:

[1, 7, 233, 311, 1631, 2177, 2521, 17647, 72463, 507241, 587393, 784031, 4111751, 5488217, 182679223, 1278754561]

約数ペア:

[(1, 1278754561), (7, 182679223), (233, 5488217), (311, 4111751), (1631, 784031), (2177, 587393), (2521, 507241), (17647, 72463)]