28787108

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{761}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 58983372

約数和(自身を除く): 30196264

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 761, 772, 1351, 1522, 2702, 3044, 5327, 5404, 9457, 10654, 18914, 21308, 37289, 37828, 74578, 146873, 149156, 293746, 587492, 1028111, 2056222, 4112444, 7196777, 14393554, 28787108]

約数ペア:

[(1, 28787108), (2, 14393554), (4, 7196777), (7, 4112444), (14, 2056222), (28, 1028111), (49, 587492), (98, 293746), (193, 149156), (196, 146873), (386, 74578), (761, 37828), (772, 37289), (1351, 21308), (1522, 18914), (2702, 10654), (3044, 9457), (5327, 5404)]