209974654

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1\times {\mathrm{673}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 317179008

約数和(自身を除く): 107204354

約数列:

[1, 2, 257, 514, 607, 673, 1214, 1346, 155999, 172961, 311998, 345922, 408511, 817022, 104987327, 209974654]

約数ペア:

[(1, 209974654), (2, 104987327), (257, 817022), (514, 408511), (607, 345922), (673, 311998), (1214, 172961), (1346, 155999)]