257850208

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 637072128

約数和(自身を除く): 379221920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 227, 308, 352, 454, 461, 616, 908, 922, 1232, 1589, 1816, 1844, 2464, 2497, 3178, 3227, 3632, 3688, 4994, 5071, 6356, 6454, 7264, 7376, 9988, 10142, 12712, 12908, 14752, 17479, 19976, 20284, 25424, 25816, 34958, 35497, 39952, 40568, 50848, 51632, 69916, 70994, 79904, 81136, 103264, 104647, 139832, 141988, 162272, 209294, 279664, 283976, 418588, 559328, 567952, 732529, 837176, 1135904, 1151117, 1465058, 1674352, 2302234, 2930116, 3348704, 4604468, 5860232, 8057819, 9208936, 11720464, 16115638, 18417872, 23440928, 32231276, 36835744, 64462552, 128925104, 257850208]

約数ペア:

[(1, 257850208), (2, 128925104), (4, 64462552), (7, 36835744), (8, 32231276), (11, 23440928), (14, 18417872), (16, 16115638), (22, 11720464), (28, 9208936), (32, 8057819), (44, 5860232), (56, 4604468), (77, 3348704), (88, 2930116), (112, 2302234), (154, 1674352), (176, 1465058), (224, 1151117), (227, 1135904), (308, 837176), (352, 732529), (454, 567952), (461, 559328), (616, 418588), (908, 283976), (922, 279664), (1232, 209294), (1589, 162272), (1816, 141988), (1844, 139832), (2464, 104647), (2497, 103264), (3178, 81136), (3227, 79904), (3632, 70994), (3688, 69916), (4994, 51632), (5071, 50848), (6356, 40568), (6454, 39952), (7264, 35497), (7376, 34958), (9988, 25816), (10142, 25424), (12712, 20284), (12908, 19976), (14752, 17479)]