31272215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13003}}^1$

素因数の和:13058

約数の個数: 16

約数和(自身を含む): 41508768

約数和(自身を除く): 10236553

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 13003, 65015, 169039, 481111, 845195, 2405555, 6254443, 31272215]

約数ペア:

[(1, 31272215), (5, 6254443), (13, 2405555), (37, 845195), (65, 481111), (185, 169039), (481, 65015), (2405, 13003)]