28225868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1777}}^1$

素因数の和:1830

約数の個数: 36

約数和(自身を含む): 56903112

約数和(自身を除く): 28677244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1444, 1777, 3554, 3971, 7108, 7942, 15884, 19547, 33763, 39094, 67526, 78188, 135052, 371393, 641497, 742786, 1282994, 1485572, 2565988, 7056467, 14112934, 28225868]

約数ペア:

[(1, 28225868), (2, 14112934), (4, 7056467), (11, 2565988), (19, 1485572), (22, 1282994), (38, 742786), (44, 641497), (76, 371393), (209, 135052), (361, 78188), (418, 67526), (722, 39094), (836, 33763), (1444, 19547), (1777, 15884), (3554, 7942), (3971, 7108)]