129277184

素因数分解:

$2^8\times {\mathrm{504989}}^1$

素因数の和:505005

約数の個数: 18

約数和(自身を含む): 258049890

約数和(自身を除く): 128772706

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 504989, 1009978, 2019956, 4039912, 8079824, 16159648, 32319296, 64638592, 129277184]

約数ペア:

[(1, 129277184), (2, 64638592), (4, 32319296), (8, 16159648), (16, 8079824), (32, 4039912), (64, 2019956), (128, 1009978), (256, 504989)]