28869239

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 5759881

約数列:

[1, 7, 29, 71, 203, 497, 2003, 2059, 14021, 14413, 58087, 142213, 406609, 995491, 4124177, 28869239]

約数ペア:

[(1, 28869239), (7, 4124177), (29, 995491), (71, 406609), (203, 142213), (497, 58087), (2003, 14413), (2059, 14021)]