12539978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9661}}^1$

素因数の和:9733

約数の個数: 16

約数和(自身を含む): 20869920

約数和(自身を除く): 8329942

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 9661, 19322, 106271, 212542, 569999, 1139998, 6269989, 12539978]

約数ペア:

[(1, 12539978), (2, 6269989), (11, 1139998), (22, 569999), (59, 212542), (118, 106271), (649, 19322), (1298, 9661)]