28231987

素因数分解:

$7^3\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1627

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 5334413

約数列:

[1, 7, 49, 53, 343, 371, 1553, 2597, 10871, 18179, 76097, 82309, 532679, 576163, 4033141, 28231987]

約数ペア:

[(1, 28231987), (7, 4033141), (49, 576163), (53, 532679), (343, 82309), (371, 76097), (1553, 18179), (2597, 10871)]