27888595

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 39398400

約数和(自身を除く): 11509805

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 1279, 3115, 4361, 6395, 8953, 21805, 44765, 62671, 113831, 313355, 569155, 796817, 3984085, 5577719, 27888595]

約数ペア:

[(1, 27888595), (5, 5577719), (7, 3984085), (35, 796817), (49, 569155), (89, 313355), (245, 113831), (445, 62671), (623, 44765), (1279, 21805), (3115, 8953), (4361, 6395)]