31405532795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 47317452480

約数和(自身を除く): 15911919685

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 169, 353, 445, 455, 623, 845, 1157, 1183, 1765, 2197, 2471, 3115, 4589, 5785, 5915, 8099, 10985, 12355, 15041, 15379, 22945, 28561, 31417, 32123, 40495, 59657, 75205, 76895, 105287, 142805, 157085, 160615, 195533, 199927, 219919, 298285, 408421, 417599, 526435, 775541, 977665, 999635, 1099595, 1368731, 2042105, 2087995, 2541929, 2858947, 3877705, 5309473, 5428787, 6843655, 10082033, 12709645, 14294735, 17793503, 26547365, 27143935, 37166311, 50410165, 69023149, 70574231, 88967515, 185831555, 345115745, 352871155, 483162043, 897300937, 2415810215, 4486504685, 6281106559, 31405532795]

約数ペア:

[(1, 31405532795), (5, 6281106559), (7, 4486504685), (13, 2415810215), (35, 897300937), (65, 483162043), (89, 352871155), (91, 345115745), (169, 185831555), (353, 88967515), (445, 70574231), (455, 69023149), (623, 50410165), (845, 37166311), (1157, 27143935), (1183, 26547365), (1765, 17793503), (2197, 14294735), (2471, 12709645), (3115, 10082033), (4589, 6843655), (5785, 5428787), (5915, 5309473), (8099, 3877705), (10985, 2858947), (12355, 2541929), (15041, 2087995), (15379, 2042105), (22945, 1368731), (28561, 1099595), (31417, 999635), (32123, 977665), (40495, 775541), (59657, 526435), (75205, 417599), (76895, 408421), (105287, 298285), (142805, 219919), (157085, 199927), (160615, 195533)]