128121616

素因数分解:

$2^4\times 7^1\times {\mathrm{1143943}}^1$

素因数の和:1143958

約数の個数: 20

約数和(自身を含む): 283698112

約数和(自身を除く): 155576496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1143943, 2287886, 4575772, 8007601, 9151544, 16015202, 18303088, 32030404, 64060808, 128121616]

約数ペア:

[(1, 128121616), (2, 64060808), (4, 32030404), (7, 18303088), (8, 16015202), (14, 9151544), (16, 8007601), (28, 4575772), (56, 2287886), (112, 1143943)]