128388616

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{239531}}^1$

素因数の和:239604

約数の個数: 16

約数和(自身を含む): 244322640

約数和(自身を除く): 115934024

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 239531, 479062, 958124, 1916248, 16048577, 32097154, 64194308, 128388616]

約数ペア:

[(1, 128388616), (2, 64194308), (4, 32097154), (8, 16048577), (67, 1916248), (134, 958124), (268, 479062), (536, 239531)]