257221259

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{5501}}^1$

素因数の和:5650

約数の個数: 16

約数和(自身を含む): 285223680

約数和(自身を除く): 28002421

約数列:

[1, 19, 23, 107, 437, 2033, 2461, 5501, 46759, 104519, 126523, 588607, 2403937, 11183533, 13537961, 257221259]

約数ペア:

[(1, 257221259), (19, 13537961), (23, 11183533), (107, 2403937), (437, 588607), (2033, 126523), (2461, 104519), (5501, 46759)]