1245968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1862

約数の個数: 20

約数和(自身を含む): 2471568

約数和(自身を除く): 1225600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1811, 3622, 7244, 14488, 28976, 77873, 155746, 311492, 622984, 1245968]

約数ペア:

[(1, 1245968), (2, 622984), (4, 311492), (8, 155746), (16, 77873), (43, 28976), (86, 14488), (172, 7244), (344, 3622), (688, 1811)]