128542555

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1051}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 157320288

約数和(自身を除く): 28777733

約数列:

[1, 5, 61, 305, 401, 1051, 2005, 5255, 24461, 64111, 122305, 320555, 421451, 2107255, 25708511, 128542555]

約数ペア:

[(1, 128542555), (5, 25708511), (61, 2107255), (305, 421451), (401, 320555), (1051, 122305), (2005, 64111), (5255, 24461)]