320680271

素因数分解:

${\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{6781}}^1$

素因数の和:6950

約数の個数: 12

約数和(自身を含む): 341080344

約数和(自身を除く): 20400073

約数列:

[1, 19, 131, 361, 2489, 6781, 47291, 128839, 888311, 2447941, 16877909, 320680271]

約数ペア:

[(1, 320680271), (19, 16877909), (131, 2447941), (361, 888311), (2489, 128839), (6781, 47291)]