81710128

素因数分解:

$2^4\times {\mathrm{919}}^1\times {\mathrm{5557}}^1$

素因数の和:6484

約数の個数: 20

約数和(自身を含む): 158514160

約数和(自身を除く): 76804032

約数列:

[1, 2, 4, 8, 16, 919, 1838, 3676, 5557, 7352, 11114, 14704, 22228, 44456, 88912, 5106883, 10213766, 20427532, 40855064, 81710128]

約数ペア:

[(1, 81710128), (2, 40855064), (4, 20427532), (8, 10213766), (16, 5106883), (919, 88912), (1838, 44456), (3676, 22228), (5557, 14704), (7352, 11114)]