147942905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 196608384

約数和(自身を除く): 48665479

約数列:

[1, 5, 11, 55, 79, 395, 431, 869, 2155, 4345, 4741, 6241, 23705, 31205, 34049, 68651, 170245, 343255, 374539, 1872695, 2689871, 13449355, 29588581, 147942905]

約数ペア:

[(1, 147942905), (5, 29588581), (11, 13449355), (55, 2689871), (79, 1872695), (395, 374539), (431, 343255), (869, 170245), (2155, 68651), (4345, 34049), (4741, 31205), (6241, 23705)]