15930178985

素因数分解:

$5^1\times 7^1\times {\mathrm{5563}}^1\times {\mathrm{81817}}^1$

素因数の和:87392

約数の個数: 16

約数和(自身を含む): 21851296896

約数和(自身を除く): 5921117911

約数列:

[1, 5, 7, 35, 5563, 27815, 38941, 81817, 194705, 409085, 572719, 2863595, 455147971, 2275739855, 3186035797, 15930178985]

約数ペア:

[(1, 15930178985), (5, 3186035797), (7, 2275739855), (35, 455147971), (5563, 2863595), (27815, 572719), (38941, 409085), (81817, 194705)]