257395248

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3847

約数の個数: 120

約数和(自身を含む): 804323520

約数和(自身を除く): 546928272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 43, 44, 48, 66, 72, 86, 88, 99, 129, 132, 144, 172, 176, 198, 258, 264, 344, 387, 396, 473, 516, 528, 688, 774, 792, 946, 1032, 1419, 1548, 1584, 1892, 2064, 2838, 3096, 3779, 3784, 4257, 5676, 6192, 7558, 7568, 8514, 11337, 11352, 15116, 17028, 22674, 22704, 30232, 34011, 34056, 41569, 45348, 60464, 68022, 68112, 83138, 90696, 124707, 136044, 162497, 166276, 181392, 249414, 272088, 324994, 332552, 374121, 487491, 498828, 544176, 649988, 665104, 748242, 974982, 997656, 1299976, 1462473, 1496484, 1787467, 1949964, 1995312, 2599952, 2924946, 2992968, 3574934, 3899928, 5362401, 5849892, 5985936, 7149868, 7799856, 10724802, 11699784, 14299736, 16087203, 21449604, 23399568, 28599472, 32174406, 42899208, 64348812, 85798416, 128697624, 257395248]

約数ペア:

[(1, 257395248), (2, 128697624), (3, 85798416), (4, 64348812), (6, 42899208), (8, 32174406), (9, 28599472), (11, 23399568), (12, 21449604), (16, 16087203), (18, 14299736), (22, 11699784), (24, 10724802), (33, 7799856), (36, 7149868), (43, 5985936), (44, 5849892), (48, 5362401), (66, 3899928), (72, 3574934), (86, 2992968), (88, 2924946), (99, 2599952), (129, 1995312), (132, 1949964), (144, 1787467), (172, 1496484), (176, 1462473), (198, 1299976), (258, 997656), (264, 974982), (344, 748242), (387, 665104), (396, 649988), (473, 544176), (516, 498828), (528, 487491), (688, 374121), (774, 332552), (792, 324994), (946, 272088), (1032, 249414), (1419, 181392), (1548, 166276), (1584, 162497), (1892, 136044), (2064, 124707), (2838, 90696), (3096, 83138), (3779, 68112), (3784, 68022), (4257, 60464), (5676, 45348), (6192, 41569), (7558, 34056), (7568, 34011), (8514, 30232), (11337, 22704), (11352, 22674), (15116, 17028)]