289201715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{19403}}^1$

素因数の和:19690

約数の個数: 16

約数和(自身を含む): 380007936

約数和(自身を除く): 90806221

約数列:

[1, 5, 11, 55, 271, 1355, 2981, 14905, 19403, 97015, 213433, 1067165, 5258213, 26291065, 57840343, 289201715]

約数ペア:

[(1, 289201715), (5, 57840343), (11, 26291065), (55, 5258213), (271, 1067165), (1355, 213433), (2981, 97015), (14905, 19403)]