7242445

素因数分解:

$5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 10483200

約数和(自身を除く): 3240755

約数列:

[1, 5, 7, 35, 41, 49, 103, 205, 245, 287, 343, 515, 721, 1435, 1715, 2009, 3605, 4223, 5047, 10045, 14063, 21115, 25235, 29561, 35329, 70315, 147805, 176645, 206927, 1034635, 1448489, 7242445]

約数ペア:

[(1, 7242445), (5, 1448489), (7, 1034635), (35, 206927), (41, 176645), (49, 147805), (103, 70315), (205, 35329), (245, 29561), (287, 25235), (343, 21115), (515, 14063), (721, 10045), (1435, 5047), (1715, 4223), (2009, 3605)]