28021165

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{59}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 35750880

約数和(自身を除く): 7729715

約数列:

[1, 5, 43, 47, 59, 215, 235, 295, 2021, 2209, 2537, 2773, 10105, 11045, 12685, 13865, 94987, 119239, 130331, 474935, 596195, 651655, 5604233, 28021165]

約数ペア:

[(1, 28021165), (5, 5604233), (43, 651655), (47, 596195), (59, 474935), (215, 130331), (235, 119239), (295, 94987), (2021, 13865), (2209, 12685), (2537, 11045), (2773, 10105)]