78422785

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 122135040

約数和(自身を除く): 43712255

約数列:

[1, 5, 7, 17, 19, 35, 49, 85, 95, 119, 133, 245, 323, 595, 665, 833, 931, 991, 1615, 2261, 4165, 4655, 4955, 6937, 11305, 15827, 16847, 18829, 34685, 48559, 79135, 84235, 94145, 117929, 131803, 242795, 320093, 589645, 659015, 825503, 922621, 1600465, 2240651, 4127515, 4613105, 11203255, 15684557, 78422785]

約数ペア:

[(1, 78422785), (5, 15684557), (7, 11203255), (17, 4613105), (19, 4127515), (35, 2240651), (49, 1600465), (85, 922621), (95, 825503), (119, 659015), (133, 589645), (245, 320093), (323, 242795), (595, 131803), (665, 117929), (833, 94145), (931, 84235), (991, 79135), (1615, 48559), (2261, 34685), (4165, 18829), (4655, 16847), (4955, 15827), (6937, 11305)]