1276008128

素因数分解:

$2^6\times {\mathrm{19937627}}^1$

素因数の和:19937639

約数の個数: 14

約数和(自身を含む): 2532078756

約数和(自身を除く): 1256070628

約数列:

[1, 2, 4, 8, 16, 32, 64, 19937627, 39875254, 79750508, 159501016, 319002032, 638004064, 1276008128]

約数ペア:

[(1, 1276008128), (2, 638004064), (4, 319002032), (8, 159501016), (16, 79750508), (32, 39875254), (64, 19937627)]