991372655

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2909}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 1504772640

約数和(自身を除く): 513399985

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 107, 245, 455, 535, 637, 749, 1391, 2909, 3185, 3745, 5243, 6955, 9737, 14545, 20363, 26215, 37817, 48685, 68159, 101815, 142541, 189085, 264719, 311263, 340795, 712705, 1323595, 1556315, 1853033, 2178841, 4046419, 9265165, 10894205, 15251887, 20232095, 28324933, 76259435, 141624665, 198274531, 991372655]

約数ペア:

[(1, 991372655), (5, 198274531), (7, 141624665), (13, 76259435), (35, 28324933), (49, 20232095), (65, 15251887), (91, 10894205), (107, 9265165), (245, 4046419), (455, 2178841), (535, 1853033), (637, 1556315), (749, 1323595), (1391, 712705), (2909, 340795), (3185, 311263), (3745, 264719), (5243, 189085), (6955, 142541), (9737, 101815), (14545, 68159), (20363, 48685), (26215, 37817)]