289401872

素因数分解:

$2^4\times {\mathrm{863}}^1\times {\mathrm{20959}}^1$

素因数の和:21830

約数の個数: 20

約数和(自身を含む): 561392640

約数和(自身を除く): 271990768

約数列:

[1, 2, 4, 8, 16, 863, 1726, 3452, 6904, 13808, 20959, 41918, 83836, 167672, 335344, 18087617, 36175234, 72350468, 144700936, 289401872]

約数ペア:

[(1, 289401872), (2, 144700936), (4, 72350468), (8, 36175234), (16, 18087617), (863, 335344), (1726, 167672), (3452, 83836), (6904, 41918), (13808, 20959)]