12169885

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 18299736

約数和(自身を除く): 6129851

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 3821, 19105, 26747, 49673, 133735, 187229, 248365, 347711, 936145, 1738555, 2433977, 12169885]

約数ペア:

[(1, 12169885), (5, 2433977), (7, 1738555), (13, 936145), (35, 347711), (49, 248365), (65, 187229), (91, 133735), (245, 49673), (455, 26747), (637, 19105), (3185, 3821)]