1999202387

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{467431}}^1$

素因数の和:467498

約数の個数: 16

約数和(自身を含む): 2512914432

約数和(自身を除く): 513712045

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 467431, 3272017, 6076603, 21969257, 42536221, 153784799, 285600341, 1999202387]

約数ペア:

[(1, 1999202387), (7, 285600341), (13, 153784799), (47, 42536221), (91, 21969257), (329, 6076603), (611, 3272017), (4277, 467431)]