28390894

素因数分解:

$2^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1373}}^1$

素因数の和:1600

約数の個数: 24

約数和(自身を含む): 49810248

約数和(自身を除く): 21419354

約数列:

[1, 2, 7, 14, 49, 98, 211, 422, 1373, 1477, 2746, 2954, 9611, 10339, 19222, 20678, 67277, 134554, 289703, 579406, 2027921, 4055842, 14195447, 28390894]

約数ペア:

[(1, 28390894), (2, 14195447), (7, 4055842), (14, 2027921), (49, 579406), (98, 289703), (211, 134554), (422, 67277), (1373, 20678), (1477, 19222), (2746, 10339), (2954, 9611)]