28064828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 56222208

約数和(自身を除く): 28157380

約数列:

[1, 2, 4, 11, 22, 41, 44, 47, 82, 94, 164, 188, 331, 451, 517, 662, 902, 1034, 1324, 1804, 1927, 2068, 3641, 3854, 7282, 7708, 13571, 14564, 15557, 21197, 27142, 31114, 42394, 54284, 62228, 84788, 149281, 171127, 298562, 342254, 597124, 637837, 684508, 1275674, 2551348, 7016207, 14032414, 28064828]

約数ペア:

[(1, 28064828), (2, 14032414), (4, 7016207), (11, 2551348), (22, 1275674), (41, 684508), (44, 637837), (47, 597124), (82, 342254), (94, 298562), (164, 171127), (188, 149281), (331, 84788), (451, 62228), (517, 54284), (662, 42394), (902, 31114), (1034, 27142), (1324, 21197), (1804, 15557), (1927, 14564), (2068, 13571), (3641, 7708), (3854, 7282)]