128169416

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{126151}}^1$

素因数の和:126284

約数の個数: 16

約数和(自身を含む): 242211840

約数和(自身を除く): 114042424

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 126151, 252302, 504604, 1009208, 16021177, 32042354, 64084708, 128169416]

約数ペア:

[(1, 128169416), (2, 64084708), (4, 32042354), (8, 16021177), (127, 1009208), (254, 504604), (508, 252302), (1016, 126151)]