28436825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 37482720

約数和(自身を除く): 9045895

約数列:

[1, 5, 19, 25, 95, 131, 457, 475, 655, 2285, 2489, 3275, 8683, 11425, 12445, 43415, 59867, 62225, 217075, 299335, 1137473, 1496675, 5687365, 28436825]

約数ペア:

[(1, 28436825), (5, 5687365), (19, 1496675), (25, 1137473), (95, 299335), (131, 217075), (457, 62225), (475, 59867), (655, 43415), (2285, 12445), (2489, 11425), (3275, 8683)]