8206765

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 12640320

約数和(自身を除く): 4433555

約数列:

[1, 5, 7, 19, 35, 41, 43, 49, 95, 133, 205, 215, 245, 287, 301, 665, 779, 817, 931, 1435, 1505, 1763, 2009, 2107, 3895, 4085, 4655, 5453, 5719, 8815, 10045, 10535, 12341, 27265, 28595, 33497, 38171, 40033, 61705, 86387, 167485, 190855, 200165, 234479, 431935, 1172395, 1641353, 8206765]

約数ペア:

[(1, 8206765), (5, 1641353), (7, 1172395), (19, 431935), (35, 234479), (41, 200165), (43, 190855), (49, 167485), (95, 86387), (133, 61705), (205, 40033), (215, 38171), (245, 33497), (287, 28595), (301, 27265), (665, 12341), (779, 10535), (817, 10045), (931, 8815), (1435, 5719), (1505, 5453), (1763, 4655), (2009, 4085), (2107, 3895)]