213948005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{2819}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 263545920

約数和(自身を除く): 49597915

約数列:

[1, 5, 43, 215, 353, 1765, 2819, 14095, 15179, 75895, 121217, 606085, 995107, 4975535, 42789601, 213948005]

約数ペア:

[(1, 213948005), (5, 42789601), (43, 4975535), (215, 995107), (353, 606085), (1765, 121217), (2819, 75895), (14095, 15179)]