28140873436

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{885713}}^1$

素因数の和:885790

約数の個数: 36

約数和(自身を含む): 54460782432

約数和(自身を除く): 26319908996

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 611, 676, 1222, 2444, 7943, 15886, 31772, 885713, 1771426, 3542852, 11514269, 23028538, 41628511, 46057076, 83257022, 149685497, 166514044, 299370994, 541170643, 598741988, 1082341286, 2164682572, 7035218359, 14070436718, 28140873436]

約数ペア:

[(1, 28140873436), (2, 14070436718), (4, 7035218359), (13, 2164682572), (26, 1082341286), (47, 598741988), (52, 541170643), (94, 299370994), (169, 166514044), (188, 149685497), (338, 83257022), (611, 46057076), (676, 41628511), (1222, 23028538), (2444, 11514269), (7943, 3542852), (15886, 1771426), (31772, 885713)]