128418208

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{28871}}^1$

素因数の和:29020

約数の個数: 24

約数和(自身を含む): 254651040

約数和(自身を除く): 126232832

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 28871, 57742, 115484, 230968, 461936, 923872, 4013069, 8026138, 16052276, 32104552, 64209104, 128418208]

約数ペア:

[(1, 128418208), (2, 64209104), (4, 32104552), (8, 16052276), (16, 8026138), (32, 4013069), (139, 923872), (278, 461936), (556, 230968), (1112, 115484), (2224, 57742), (4448, 28871)]