6989521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 8921088

約数和(自身を除く): 1931567

約数列:

[1, 7, 11, 43, 77, 301, 473, 2111, 3311, 14777, 23221, 90773, 162547, 635411, 998503, 6989521]

約数ペア:

[(1, 6989521), (7, 998503), (11, 635411), (43, 162547), (77, 90773), (301, 23221), (473, 14777), (2111, 3311)]