8003855

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 10609920

約数和(自身を除く): 2606065

約数列:

[1, 5, 17, 29, 85, 145, 191, 289, 493, 955, 1445, 2465, 3247, 5539, 8381, 16235, 27695, 41905, 55199, 94163, 275995, 470815, 1600771, 8003855]

約数ペア:

[(1, 8003855), (5, 1600771), (17, 470815), (29, 275995), (85, 94163), (145, 55199), (191, 41905), (289, 27695), (493, 16235), (955, 8381), (1445, 5539), (2465, 3247)]