28888015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 39765168

約数和(自身を除く): 10877153

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2011, 2873, 10055, 14365, 26143, 34187, 130715, 170935, 339859, 444431, 1699295, 2222155, 5777603, 28888015]

約数ペア:

[(1, 28888015), (5, 5777603), (13, 2222155), (17, 1699295), (65, 444431), (85, 339859), (169, 170935), (221, 130715), (845, 34187), (1105, 26143), (2011, 14365), (2873, 10055)]