15985866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{204947}}^1$

素因数の和:204965

約数の個数: 16

約数和(自身を含む): 34431264

約数和(自身を除く): 18445398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 204947, 409894, 614841, 1229682, 2664311, 5328622, 7992933, 15985866]

約数ペア:

[(1, 15985866), (2, 7992933), (3, 5328622), (6, 2664311), (13, 1229682), (26, 614841), (39, 409894), (78, 204947)]