81267588

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{3719}}^1$

素因数の和:4336

約数の個数: 36

約数和(自身を含む): 205820160

約数和(自身を除く): 124552572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 1214, 1821, 2428, 3642, 3719, 5463, 7284, 7438, 10926, 11157, 14876, 21852, 22314, 33471, 44628, 66942, 133884, 2257433, 4514866, 6772299, 9029732, 13544598, 20316897, 27089196, 40633794, 81267588]

約数ペア:

[(1, 81267588), (2, 40633794), (3, 27089196), (4, 20316897), (6, 13544598), (9, 9029732), (12, 6772299), (18, 4514866), (36, 2257433), (607, 133884), (1214, 66942), (1821, 44628), (2428, 33471), (3642, 22314), (3719, 21852), (5463, 14876), (7284, 11157), (7438, 10926)]