90489215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{2371}}^1$

素因数の和:2842

約数の個数: 16

約数和(自身を含む): 115279200

約数和(自身を除く): 24789985

約数列:

[1, 5, 17, 85, 449, 2245, 2371, 7633, 11855, 38165, 40307, 201535, 1064579, 5322895, 18097843, 90489215]

約数ペア:

[(1, 90489215), (5, 18097843), (17, 5322895), (85, 1064579), (449, 201535), (2245, 40307), (2371, 38165), (7633, 11855)]