620987536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 1347136000

約数和(自身を除く): 726148464

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 193, 208, 248, 386, 403, 496, 499, 772, 806, 998, 1544, 1612, 1996, 2509, 3088, 3224, 3992, 5018, 5983, 6448, 6487, 7984, 10036, 11966, 12974, 15469, 20072, 23932, 25948, 30938, 40144, 47864, 51896, 61876, 77779, 95728, 96307, 103792, 123752, 155558, 192614, 201097, 247504, 311116, 385228, 402194, 622232, 770456, 804388, 1244464, 1251991, 1540912, 1608776, 2503982, 2985517, 3217552, 5007964, 5971034, 10015928, 11942068, 20031856, 23884136, 38811721, 47768272, 77623442, 155246884, 310493768, 620987536]

約数ペア:

[(1, 620987536), (2, 310493768), (4, 155246884), (8, 77623442), (13, 47768272), (16, 38811721), (26, 23884136), (31, 20031856), (52, 11942068), (62, 10015928), (104, 5971034), (124, 5007964), (193, 3217552), (208, 2985517), (248, 2503982), (386, 1608776), (403, 1540912), (496, 1251991), (499, 1244464), (772, 804388), (806, 770456), (998, 622232), (1544, 402194), (1612, 385228), (1996, 311116), (2509, 247504), (3088, 201097), (3224, 192614), (3992, 155558), (5018, 123752), (5983, 103792), (6448, 96307), (6487, 95728), (7984, 77779), (10036, 61876), (11966, 51896), (12974, 47864), (15469, 40144), (20072, 30938), (23932, 25948)]