28697801

素因数分解:

${\mathrm{11}}^1\times {\mathrm{137}}^2\times {\mathrm{139}}^1$

素因数の和:424

約数の個数: 12

約数和(自身を含む): 31763760

約数和(自身を除く): 3065959

約数列:

[1, 11, 137, 139, 1507, 1529, 18769, 19043, 206459, 209473, 2608891, 28697801]

約数ペア:

[(1, 28697801), (11, 2608891), (137, 209473), (139, 206459), (1507, 19043), (1529, 18769)]