128936752

素因数分解:

$2^4\times 7^1\times {\mathrm{1151221}}^1$

素因数の和:1151236

約数の個数: 20

約数和(自身を含む): 285503056

約数和(自身を除く): 156566304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1151221, 2302442, 4604884, 8058547, 9209768, 16117094, 18419536, 32234188, 64468376, 128936752]

約数ペア:

[(1, 128936752), (2, 64468376), (4, 32234188), (7, 18419536), (8, 16117094), (14, 9209768), (16, 8058547), (28, 4604884), (56, 2302442), (112, 1151221)]