2543890321

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{3967}}^1$

素因数の和:4573

約数の個数: 24

約数和(自身を含む): 3094087680

約数和(自身を除く): 550197359

約数列:

[1, 7, 23, 49, 161, 569, 1127, 3967, 3983, 13087, 27769, 27881, 91241, 91609, 194383, 638687, 641263, 2257223, 4470809, 15800561, 51916129, 110603927, 363412903, 2543890321]

約数ペア:

[(1, 2543890321), (7, 363412903), (23, 110603927), (49, 51916129), (161, 15800561), (569, 4470809), (1127, 2257223), (3967, 641263), (3983, 638687), (13087, 194383), (27769, 91609), (27881, 91241)]