221589145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{1889}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 275562000

約数和(自身を除く): 53972855

約数列:

[1, 5, 29, 145, 809, 1889, 4045, 9445, 23461, 54781, 117305, 273905, 1528201, 7641005, 44317829, 221589145]

約数ペア:

[(1, 221589145), (5, 44317829), (29, 7641005), (145, 1528201), (809, 273905), (1889, 117305), (4045, 54781), (9445, 23461)]