289589993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 372556800

約数和(自身を除く): 82966807

約数列:

[1, 7, 11, 43, 77, 149, 301, 473, 587, 1043, 1639, 3311, 4109, 6407, 6457, 11473, 25241, 44849, 45199, 70477, 87463, 176687, 277651, 493339, 612241, 962093, 1943557, 3760909, 6734651, 26326363, 41369999, 289589993]

約数ペア:

[(1, 289589993), (7, 41369999), (11, 26326363), (43, 6734651), (77, 3760909), (149, 1943557), (301, 962093), (473, 612241), (587, 493339), (1043, 277651), (1639, 176687), (3311, 87463), (4109, 70477), (6407, 45199), (6457, 44849), (11473, 25241)]