66648445

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 81226800

約数和(自身を除く): 14578355

約数列:

[1, 5, 137, 149, 653, 685, 745, 3265, 20413, 89461, 97297, 102065, 447305, 486485, 13329689, 66648445]

約数ペア:

[(1, 66648445), (5, 13329689), (137, 486485), (149, 447305), (653, 102065), (685, 97297), (745, 89461), (3265, 20413)]