128929984

素因数分解:

$2^6\times {\mathrm{239}}^1\times {\mathrm{8429}}^1$

素因数の和:8680

約数の個数: 28

約数和(自身を含む): 256946400

約数和(自身を除く): 128016416

約数列:

[1, 2, 4, 8, 16, 32, 64, 239, 478, 956, 1912, 3824, 7648, 8429, 15296, 16858, 33716, 67432, 134864, 269728, 539456, 2014531, 4029062, 8058124, 16116248, 32232496, 64464992, 128929984]

約数ペア:

[(1, 128929984), (2, 64464992), (4, 32232496), (8, 16116248), (16, 8058124), (32, 4029062), (64, 2014531), (239, 539456), (478, 269728), (956, 134864), (1912, 67432), (3824, 33716), (7648, 16858), (8429, 15296)]