86990988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1035607}}^1$

素因数の和:1035621

約数の個数: 24

約数和(自身を含む): 231976192

約数和(自身を除く): 144985204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1035607, 2071214, 3106821, 4142428, 6213642, 7249249, 12427284, 14498498, 21747747, 28996996, 43495494, 86990988]

約数ペア:

[(1, 86990988), (2, 43495494), (3, 28996996), (4, 21747747), (6, 14498498), (7, 12427284), (12, 7249249), (14, 6213642), (21, 4142428), (28, 3106821), (42, 2071214), (84, 1035607)]