7987405

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 9860544

約数和(自身を除く): 1873139

約数列:

[1, 5, 67, 113, 211, 335, 565, 1055, 7571, 14137, 23843, 37855, 70685, 119215, 1597481, 7987405]

約数ペア:

[(1, 7987405), (5, 1597481), (67, 119215), (113, 70685), (211, 37855), (335, 23843), (565, 14137), (1055, 7571)]