128904121

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 137445120

約数和(自身を除く): 8540999

約数列:

[1, 23, 71, 193, 409, 1633, 4439, 9407, 13703, 29039, 78937, 315169, 667897, 1815551, 5604527, 128904121]

約数ペア:

[(1, 128904121), (23, 5604527), (71, 1815551), (193, 667897), (409, 315169), (1633, 78937), (4439, 29039), (9407, 13703)]