28320866

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 51003648

約数和(自身を除く): 22682782

約数列:

[1, 2, 7, 14, 23, 46, 161, 281, 313, 322, 562, 626, 1967, 2191, 3934, 4382, 6463, 7199, 12926, 14398, 45241, 50393, 87953, 90482, 100786, 175906, 615671, 1231342, 2022919, 4045838, 14160433, 28320866]

約数ペア:

[(1, 28320866), (2, 14160433), (7, 4045838), (14, 2022919), (23, 1231342), (46, 615671), (161, 175906), (281, 100786), (313, 90482), (322, 87953), (562, 50393), (626, 45241), (1967, 14398), (2191, 12926), (3934, 7199), (4382, 6463)]