28682687

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2470

約数の個数: 12

約数和(自身を含む): 31852968

約数和(自身を除く): 3170281

約数列:

[1, 11, 101, 121, 1111, 2347, 12221, 25817, 237047, 283987, 2607517, 28682687]

約数ペア:

[(1, 28682687), (11, 2607517), (101, 283987), (121, 237047), (1111, 25817), (2347, 12221)]