128800105

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{50411}}^1$

素因数の和:50496

約数の個数: 16

約数和(自身を含む): 179063424

約数和(自身を除く): 50263319

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 50411, 252055, 352877, 1764385, 3680003, 18400015, 25760021, 128800105]

約数ペア:

[(1, 128800105), (5, 25760021), (7, 18400015), (35, 3680003), (73, 1764385), (365, 352877), (511, 252055), (2555, 50411)]