2181334561

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1\times {\mathrm{5059}}^1$

素因数の和:7084

約数の個数: 16

約数和(自身を含む): 2575175680

約数和(自身を除く): 393841119

約数列:

[1, 7, 31, 217, 1987, 5059, 13909, 35413, 61597, 156829, 431179, 1097803, 10052233, 70365631, 311619223, 2181334561]

約数ペア:

[(1, 2181334561), (7, 311619223), (31, 70365631), (217, 10052233), (1987, 1097803), (5059, 431179), (13909, 156829), (35413, 61597)]