64661212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209939}}^1$

素因数の和:209961

約数の個数: 24

約数和(自身を含む): 141079680

約数和(自身を除く): 76418468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 209939, 419878, 839756, 1469573, 2309329, 2939146, 4618658, 5878292, 9237316, 16165303, 32330606, 64661212]

約数ペア:

[(1, 64661212), (2, 32330606), (4, 16165303), (7, 9237316), (11, 5878292), (14, 4618658), (22, 2939146), (28, 2309329), (44, 1469573), (77, 839756), (154, 419878), (308, 209939)]