81489604

素因数分解:

$2^2\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{2129}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 163175040

約数和(自身を除く): 81685436

約数列:

[1, 2, 4, 7, 14, 28, 1367, 2129, 2734, 4258, 5468, 8516, 9569, 14903, 19138, 29806, 38276, 59612, 2910343, 5820686, 11641372, 20372401, 40744802, 81489604]

約数ペア:

[(1, 81489604), (2, 40744802), (4, 20372401), (7, 11641372), (14, 5820686), (28, 2910343), (1367, 59612), (2129, 38276), (2734, 29806), (4258, 19138), (5468, 14903), (8516, 9569)]