12896345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 8392615

約数列:

[1, 5, 7, 11, 19, 35, 41, 43, 55, 77, 95, 133, 205, 209, 215, 287, 301, 385, 451, 473, 665, 779, 817, 1045, 1435, 1463, 1505, 1763, 2255, 2365, 3157, 3311, 3895, 4085, 5453, 5719, 7315, 8569, 8815, 8987, 12341, 15785, 16555, 19393, 27265, 28595, 33497, 42845, 44935, 59983, 61705, 62909, 96965, 135751, 167485, 234479, 299915, 314545, 368467, 678755, 1172395, 1842335, 2579269, 12896345]

約数ペア:

[(1, 12896345), (5, 2579269), (7, 1842335), (11, 1172395), (19, 678755), (35, 368467), (41, 314545), (43, 299915), (55, 234479), (77, 167485), (95, 135751), (133, 96965), (205, 62909), (209, 61705), (215, 59983), (287, 44935), (301, 42845), (385, 33497), (451, 28595), (473, 27265), (665, 19393), (779, 16555), (817, 15785), (1045, 12341), (1435, 8987), (1463, 8815), (1505, 8569), (1763, 7315), (2255, 5719), (2365, 5453), (3157, 4085), (3311, 3895)]