89741215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{571}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 116941968

約数和(自身を除く): 27200753

約数列:

[1, 5, 17, 43, 85, 215, 571, 731, 1849, 2855, 3655, 9245, 9707, 24553, 31433, 48535, 122765, 157165, 417401, 1055779, 2087005, 5278895, 17948243, 89741215]

約数ペア:

[(1, 89741215), (5, 17948243), (17, 5278895), (43, 2087005), (85, 1055779), (215, 417401), (571, 157165), (731, 122765), (1849, 48535), (2855, 31433), (3655, 24553), (9245, 9707)]