447890401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 555356160

約数和(自身を除く): 107465759

約数列:

[1, 7, 19, 47, 133, 137, 329, 523, 893, 959, 2603, 3661, 6251, 6439, 9937, 18221, 24581, 45073, 69559, 71651, 122341, 172067, 467039, 501557, 856387, 1361369, 3269273, 3367597, 9529583, 23573179, 63984343, 447890401]

約数ペア:

[(1, 447890401), (7, 63984343), (19, 23573179), (47, 9529583), (133, 3367597), (137, 3269273), (329, 1361369), (523, 856387), (893, 501557), (959, 467039), (2603, 172067), (3661, 122341), (6251, 71651), (6439, 69559), (9937, 45073), (18221, 24581)]