89898904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1571}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 176567040

約数和(自身を除く): 86668136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 311, 622, 1244, 1571, 2488, 3142, 6284, 7153, 12568, 14306, 28612, 36133, 57224, 72266, 144532, 289064, 488581, 977162, 1954324, 3908648, 11237363, 22474726, 44949452, 89898904]

約数ペア:

[(1, 89898904), (2, 44949452), (4, 22474726), (8, 11237363), (23, 3908648), (46, 1954324), (92, 977162), (184, 488581), (311, 289064), (622, 144532), (1244, 72266), (1571, 57224), (2488, 36133), (3142, 28612), (6284, 14306), (7153, 12568)]