128641016

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{8293}}^1$

素因数の和:8583

約数の個数: 32

約数和(自身を含む): 276687840

約数和(自身を除く): 148046824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 7756, 8293, 15512, 16586, 33172, 58051, 66344, 116102, 232204, 464408, 2297161, 4594322, 9188644, 16080127, 18377288, 32160254, 64320508, 128641016]

約数ペア:

[(1, 128641016), (2, 64320508), (4, 32160254), (7, 18377288), (8, 16080127), (14, 9188644), (28, 4594322), (56, 2297161), (277, 464408), (554, 232204), (1108, 116102), (1939, 66344), (2216, 58051), (3878, 33172), (7756, 16586), (8293, 15512)]