28480405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 6779435

約数列:

[1, 5, 43, 139, 215, 695, 953, 4765, 5977, 29885, 40979, 132467, 204895, 662335, 5696081, 28480405]

約数ペア:

[(1, 28480405), (5, 5696081), (43, 662335), (139, 204895), (215, 132467), (695, 40979), (953, 29885), (4765, 5977)]