25259752

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 31430168

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 73, 74, 146, 148, 167, 259, 292, 296, 334, 511, 518, 584, 668, 1022, 1036, 1169, 1336, 2044, 2072, 2338, 2701, 4088, 4676, 5402, 6179, 9352, 10804, 12191, 12358, 18907, 21608, 24382, 24716, 37814, 43253, 48764, 49432, 75628, 85337, 86506, 97528, 151256, 170674, 173012, 341348, 346024, 451067, 682696, 902134, 1804268, 3157469, 3608536, 6314938, 12629876, 25259752]

約数ペア:

[(1, 25259752), (2, 12629876), (4, 6314938), (7, 3608536), (8, 3157469), (14, 1804268), (28, 902134), (37, 682696), (56, 451067), (73, 346024), (74, 341348), (146, 173012), (148, 170674), (167, 151256), (259, 97528), (292, 86506), (296, 85337), (334, 75628), (511, 49432), (518, 48764), (584, 43253), (668, 37814), (1022, 24716), (1036, 24382), (1169, 21608), (1336, 18907), (2044, 12358), (2072, 12191), (2338, 10804), (2701, 9352), (4088, 6179), (4676, 5402)]