248032805

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 330739200

約数和(自身を除く): 82706395

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 439, 1445, 1955, 2195, 4913, 6647, 7463, 10097, 24565, 33235, 37315, 50485, 112999, 126871, 171649, 564995, 634355, 858245, 2156807, 2918033, 10784035, 14590165, 49606561, 248032805]

約数ペア:

[(1, 248032805), (5, 49606561), (17, 14590165), (23, 10784035), (85, 2918033), (115, 2156807), (289, 858245), (391, 634355), (439, 564995), (1445, 171649), (1955, 126871), (2195, 112999), (4913, 50485), (6647, 37315), (7463, 33235), (10097, 24565)]