81547568

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{14197}}^1$

素因数の和:14564

約数の個数: 20

約数和(自身を含む): 158449680

約数和(自身を除く): 76902112

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 5744, 14197, 28394, 56788, 113576, 227152, 5096723, 10193446, 20386892, 40773784, 81547568]

約数ペア:

[(1, 81547568), (2, 40773784), (4, 20386892), (8, 10193446), (16, 5096723), (359, 227152), (718, 113576), (1436, 56788), (2872, 28394), (5744, 14197)]