1285757795

素因数分解:

$5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 1862784000

約数和(自身を除く): 577026205

約数列:

[1, 5, 7, 35, 49, 59, 97, 131, 245, 295, 343, 413, 485, 655, 679, 917, 1715, 2065, 2891, 3395, 4585, 4753, 5723, 6419, 7729, 12707, 14455, 20237, 23765, 28615, 32095, 33271, 38645, 40061, 44933, 54103, 63535, 88949, 101185, 166355, 200305, 224665, 270515, 280427, 378721, 444745, 622643, 749713, 1402135, 1893605, 1962989, 2651047, 3113215, 3748565, 4358501, 5247991, 9814945, 13255235, 21792505, 26239955, 36735937, 183679685, 257151559, 1285757795]

約数ペア:

[(1, 1285757795), (5, 257151559), (7, 183679685), (35, 36735937), (49, 26239955), (59, 21792505), (97, 13255235), (131, 9814945), (245, 5247991), (295, 4358501), (343, 3748565), (413, 3113215), (485, 2651047), (655, 1962989), (679, 1893605), (917, 1402135), (1715, 749713), (2065, 622643), (2891, 444745), (3395, 378721), (4585, 280427), (4753, 270515), (5723, 224665), (6419, 200305), (7729, 166355), (12707, 101185), (14455, 88949), (20237, 63535), (23765, 54103), (28615, 44933), (32095, 40061), (33271, 38645)]