81316976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2341}}^1$

素因数の和:2529

約数の個数: 40

約数和(自身を含む): 170759904

約数和(自身を除く): 89442928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 1336, 2171, 2341, 2672, 4342, 4682, 8684, 9364, 17368, 18728, 30433, 34736, 37456, 60866, 121732, 243464, 390947, 486928, 781894, 1563788, 3127576, 5082311, 6255152, 10164622, 20329244, 40658488, 81316976]

約数ペア:

[(1, 81316976), (2, 40658488), (4, 20329244), (8, 10164622), (13, 6255152), (16, 5082311), (26, 3127576), (52, 1563788), (104, 781894), (167, 486928), (208, 390947), (334, 243464), (668, 121732), (1336, 60866), (2171, 37456), (2341, 34736), (2672, 30433), (4342, 18728), (4682, 17368), (8684, 9364)]