28990556

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{701}}^1$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 59380776

約数和(自身を除く): 30390220

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 701, 844, 1402, 1477, 2804, 2954, 4907, 5908, 9814, 10339, 19628, 20678, 34349, 41356, 68698, 137396, 147911, 295822, 591644, 1035377, 2070754, 4141508, 7247639, 14495278, 28990556]

約数ペア:

[(1, 28990556), (2, 14495278), (4, 7247639), (7, 4141508), (14, 2070754), (28, 1035377), (49, 591644), (98, 295822), (196, 147911), (211, 137396), (422, 68698), (701, 41356), (844, 34349), (1402, 20678), (1477, 19628), (2804, 10339), (2954, 9814), (4907, 5908)]