11988995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3001}}^1$

素因数の和:3070

約数の個数: 16

約数和(自身を含む): 15562368

約数和(自身を除く): 3573373

約数列:

[1, 5, 17, 47, 85, 235, 799, 3001, 3995, 15005, 51017, 141047, 255085, 705235, 2397799, 11988995]

約数ペア:

[(1, 11988995), (5, 2397799), (17, 705235), (47, 255085), (85, 141047), (235, 51017), (799, 15005), (3001, 3995)]