28005866

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 49514880

約数和(自身を除く): 21509014

約数列:

[1, 2, 7, 14, 67, 73, 134, 146, 409, 469, 511, 818, 938, 1022, 2863, 4891, 5726, 9782, 27403, 29857, 34237, 54806, 59714, 68474, 191821, 208999, 383642, 417998, 2000419, 4000838, 14002933, 28005866]

約数ペア:

[(1, 28005866), (2, 14002933), (7, 4000838), (14, 2000419), (67, 417998), (73, 383642), (134, 208999), (146, 191821), (409, 68474), (469, 59714), (511, 54806), (818, 34237), (938, 29857), (1022, 27403), (2863, 9782), (4891, 5726)]