201459988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{3011}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 361801440

約数和(自身を除く): 160341452

約数列:

[1, 2, 4, 43, 86, 172, 389, 778, 1556, 3011, 6022, 12044, 16727, 33454, 66908, 129473, 258946, 517892, 1171279, 2342558, 4685116, 50364997, 100729994, 201459988]

約数ペア:

[(1, 201459988), (2, 100729994), (4, 50364997), (43, 4685116), (86, 2342558), (172, 1171279), (389, 517892), (778, 258946), (1556, 129473), (3011, 66908), (6022, 33454), (12044, 16727)]