199965215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{9439}}^1$

素因数の和:9686

約数の個数: 16

約数和(自身を含む): 253747200

約数和(自身を除く): 53781985

約数列:

[1, 5, 19, 95, 223, 1115, 4237, 9439, 21185, 47195, 179341, 896705, 2104897, 10524485, 39993043, 199965215]

約数ペア:

[(1, 199965215), (5, 39993043), (19, 10524485), (95, 2104897), (223, 896705), (1115, 179341), (4237, 47195), (9439, 21185)]