81256572

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{4597}}^1$

素因数の和:5098

約数の個数: 36

約数和(自身を含む): 205861656

約数和(自身を除く): 124605084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1473, 1964, 2946, 4419, 4597, 5892, 8838, 9194, 13791, 17676, 18388, 27582, 41373, 55164, 82746, 165492, 2257127, 4514254, 6771381, 9028508, 13542762, 20314143, 27085524, 40628286, 81256572]

約数ペア:

[(1, 81256572), (2, 40628286), (3, 27085524), (4, 20314143), (6, 13542762), (9, 9028508), (12, 6771381), (18, 4514254), (36, 2257127), (491, 165492), (982, 82746), (1473, 55164), (1964, 41373), (2946, 27582), (4419, 18388), (4597, 17676), (5892, 13791), (8838, 9194)]