256475003885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{139861}}^1$

素因数の和:140181

約数の個数: 32

約数和(自身を含む): 328955424000

約数和(自身を除く): 72480420115

約数列:

[1, 5, 19, 95, 97, 199, 485, 995, 1843, 3781, 9215, 18905, 19303, 96515, 139861, 366757, 699305, 1833785, 2657359, 13286795, 13566517, 27832339, 67832585, 139161695, 257763823, 528814441, 1288819115, 2644072205, 2699736883, 13498684415, 51295000777, 256475003885]

約数ペア:

[(1, 256475003885), (5, 51295000777), (19, 13498684415), (95, 2699736883), (97, 2644072205), (199, 1288819115), (485, 528814441), (995, 257763823), (1843, 139161695), (3781, 67832585), (9215, 27832339), (18905, 13566517), (19303, 13286795), (96515, 2657359), (139861, 1833785), (366757, 699305)]