28528528

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2591

約数の個数: 40

約数和(自身を含む): 63809408

約数和(自身を除く): 35280880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2473, 2884, 4946, 5768, 9892, 11536, 17311, 19784, 34622, 39568, 69244, 138488, 254719, 276976, 509438, 1018876, 1783033, 2037752, 3566066, 4075504, 7132132, 14264264, 28528528]

約数ペア:

[(1, 28528528), (2, 14264264), (4, 7132132), (7, 4075504), (8, 3566066), (14, 2037752), (16, 1783033), (28, 1018876), (56, 509438), (103, 276976), (112, 254719), (206, 138488), (412, 69244), (721, 39568), (824, 34622), (1442, 19784), (1648, 17311), (2473, 11536), (2884, 9892), (4946, 5768)]