38973781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 11714219

約数列:

[1, 7, 11, 43, 77, 79, 149, 301, 473, 553, 869, 1043, 1639, 3311, 3397, 6083, 6407, 11473, 11771, 23779, 37367, 44849, 70477, 82397, 129481, 261569, 493339, 506153, 906367, 3543071, 5567683, 38973781]

約数ペア:

[(1, 38973781), (7, 5567683), (11, 3543071), (43, 906367), (77, 506153), (79, 493339), (149, 261569), (301, 129481), (473, 82397), (553, 70477), (869, 44849), (1043, 37367), (1639, 23779), (3311, 11771), (3397, 11473), (6083, 6407)]