128907008

素因数分解:

$2^8\times {\mathrm{503543}}^1$

素因数の和:503559

約数の個数: 18

約数和(自身を含む): 257310984

約数和(自身を除く): 128403976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 503543, 1007086, 2014172, 4028344, 8056688, 16113376, 32226752, 64453504, 128907008]

約数ペア:

[(1, 128907008), (2, 64453504), (4, 32226752), (8, 16113376), (16, 8056688), (32, 4028344), (64, 2014172), (128, 1007086), (256, 503543)]