28451075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 37609200

約数和(自身を除く): 9158125

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 673, 1691, 2225, 3365, 8455, 12787, 16825, 42275, 59897, 63935, 299485, 319675, 1138043, 1497425, 5690215, 28451075]

約数ペア:

[(1, 28451075), (5, 5690215), (19, 1497425), (25, 1138043), (89, 319675), (95, 299485), (445, 63935), (475, 59897), (673, 42275), (1691, 16825), (2225, 12787), (3365, 8455)]