28538276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6947}}^1$

素因数の和:7043

約数の個数: 24

約数和(自身を含む): 54472320

約数和(自身を除く): 25934044

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 6947, 13894, 27788, 90311, 180622, 361244, 548813, 1097626, 2195252, 7134569, 14269138, 28538276]

約数ペア:

[(1, 28538276), (2, 14269138), (4, 7134569), (13, 2195252), (26, 1097626), (52, 548813), (79, 361244), (158, 180622), (316, 90311), (1027, 27788), (2054, 13894), (4108, 6947)]