209973365

素因数分解:

$5^1\times 7^1\times {\mathrm{1553}}^1\times {\mathrm{3863}}^1$

素因数の和:5428

約数の個数: 16

約数和(自身を含む): 288223488

約数和(自身を除く): 78250123

約数列:

[1, 5, 7, 35, 1553, 3863, 7765, 10871, 19315, 27041, 54355, 135205, 5999239, 29996195, 41994673, 209973365]

約数ペア:

[(1, 209973365), (5, 41994673), (7, 29996195), (35, 5999239), (1553, 135205), (3863, 54355), (7765, 27041), (10871, 19315)]