1312901888

素因数分解:

$2^8\times {\mathrm{5128523}}^1$

素因数の和:5128539

約数の個数: 18

約数和(自身を含む): 2620675764

約数和(自身を除く): 1307773876

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 5128523, 10257046, 20514092, 41028184, 82056368, 164112736, 328225472, 656450944, 1312901888]

約数ペア:

[(1, 1312901888), (2, 656450944), (4, 328225472), (8, 164112736), (16, 82056368), (32, 41028184), (64, 20514092), (128, 10257046), (256, 5128523)]