81303808

素因数分解:

$2^8\times {\mathrm{317593}}^1$

素因数の和:317609

約数の個数: 18

約数和(自身を含む): 162290534

約数和(自身を除く): 80986726

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 317593, 635186, 1270372, 2540744, 5081488, 10162976, 20325952, 40651904, 81303808]

約数ペア:

[(1, 81303808), (2, 40651904), (4, 20325952), (8, 10162976), (16, 5081488), (32, 2540744), (64, 1270372), (128, 635186), (256, 317593)]