1256438328

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{8171}}^1$

素因数の和:8372

約数の個数: 64

約数和(自身を含む): 3236112000

約数和(自身を除く): 1979673672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 149, 172, 258, 298, 344, 447, 516, 596, 894, 1032, 1192, 1788, 3576, 6407, 8171, 12814, 16342, 19221, 24513, 25628, 32684, 38442, 49026, 51256, 65368, 76884, 98052, 153768, 196104, 351353, 702706, 1054059, 1217479, 1405412, 2108118, 2434958, 2810824, 3652437, 4216236, 4869916, 7304874, 8432472, 9739832, 14609748, 29219496, 52351597, 104703194, 157054791, 209406388, 314109582, 418812776, 628219164, 1256438328]

約数ペア:

[(1, 1256438328), (2, 628219164), (3, 418812776), (4, 314109582), (6, 209406388), (8, 157054791), (12, 104703194), (24, 52351597), (43, 29219496), (86, 14609748), (129, 9739832), (149, 8432472), (172, 7304874), (258, 4869916), (298, 4216236), (344, 3652437), (447, 2810824), (516, 2434958), (596, 2108118), (894, 1405412), (1032, 1217479), (1192, 1054059), (1788, 702706), (3576, 351353), (6407, 196104), (8171, 153768), (12814, 98052), (16342, 76884), (19221, 65368), (24513, 51256), (25628, 49026), (32684, 38442)]