257928104

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 588798720

約数和(自身を除く): 330870616

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 47, 53, 56, 86, 94, 106, 172, 188, 212, 301, 329, 344, 371, 376, 424, 602, 658, 742, 1204, 1316, 1484, 1849, 2021, 2279, 2408, 2491, 2632, 2968, 3698, 4042, 4558, 4982, 7396, 8084, 9116, 9964, 12943, 14147, 14792, 15953, 16168, 17437, 18232, 19928, 25886, 28294, 31906, 34874, 51772, 56588, 63812, 69748, 86903, 97997, 103544, 107113, 113176, 127624, 139496, 173806, 195994, 214226, 347612, 391988, 428452, 608321, 685979, 695224, 749791, 783976, 856904, 1216642, 1371958, 1499582, 2433284, 2743916, 2999164, 4605859, 4866568, 5487832, 5998328, 9211718, 18423436, 32241013, 36846872, 64482026, 128964052, 257928104]

約数ペア:

[(1, 257928104), (2, 128964052), (4, 64482026), (7, 36846872), (8, 32241013), (14, 18423436), (28, 9211718), (43, 5998328), (47, 5487832), (53, 4866568), (56, 4605859), (86, 2999164), (94, 2743916), (106, 2433284), (172, 1499582), (188, 1371958), (212, 1216642), (301, 856904), (329, 783976), (344, 749791), (371, 695224), (376, 685979), (424, 608321), (602, 428452), (658, 391988), (742, 347612), (1204, 214226), (1316, 195994), (1484, 173806), (1849, 139496), (2021, 127624), (2279, 113176), (2408, 107113), (2491, 103544), (2632, 97997), (2968, 86903), (3698, 69748), (4042, 63812), (4558, 56588), (4982, 51772), (7396, 34874), (8084, 31906), (9116, 28294), (9964, 25886), (12943, 19928), (14147, 18232), (14792, 17437), (15953, 16168)]