257568120004

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{19163}}^1$

素因数の和:19589

約数の個数: 72

約数和(自身を含む): 497855423520

約数和(自身を除く): 240287303516

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 337, 338, 674, 676, 767, 1348, 1534, 3068, 4381, 8762, 9971, 17524, 19163, 19883, 19942, 38326, 39766, 39884, 56953, 76652, 79532, 113906, 227812, 249119, 258479, 498238, 516958, 996476, 1033916, 1130617, 2261234, 3238547, 3360227, 4522468, 6457931, 6477094, 6720454, 12915862, 12954188, 13440908, 14698021, 25831724, 29396042, 58792084, 83953103, 167906206, 191074273, 335812412, 381017929, 382148546, 762035858, 764297092, 1091390339, 1524071716, 2182780678, 4365561356, 4953233077, 9906466154, 19812932308, 64392030001, 128784060002, 257568120004]

約数ペア:

[(1, 257568120004), (2, 128784060002), (4, 64392030001), (13, 19812932308), (26, 9906466154), (52, 4953233077), (59, 4365561356), (118, 2182780678), (169, 1524071716), (236, 1091390339), (337, 764297092), (338, 762035858), (674, 382148546), (676, 381017929), (767, 335812412), (1348, 191074273), (1534, 167906206), (3068, 83953103), (4381, 58792084), (8762, 29396042), (9971, 25831724), (17524, 14698021), (19163, 13440908), (19883, 12954188), (19942, 12915862), (38326, 6720454), (39766, 6477094), (39884, 6457931), (56953, 4522468), (76652, 3360227), (79532, 3238547), (113906, 2261234), (227812, 1130617), (249119, 1033916), (258479, 996476), (498238, 516958)]