8389405

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 10379520

約数和(自身を除く): 1990115

約数列:

[1, 5, 67, 79, 317, 335, 395, 1585, 5293, 21239, 25043, 26465, 106195, 125215, 1677881, 8389405]

約数ペア:

[(1, 8389405), (5, 1677881), (67, 125215), (79, 106195), (317, 26465), (335, 25043), (395, 21239), (1585, 5293)]