9980195

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 12485280

約数和(自身を除く): 2505085

約数列:

[1, 5, 37, 73, 185, 365, 739, 2701, 3695, 13505, 27343, 53947, 136715, 269735, 1996039, 9980195]

約数ペア:

[(1, 9980195), (5, 1996039), (37, 269735), (73, 136715), (185, 53947), (365, 27343), (739, 13505), (2701, 3695)]