28741489

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 34933248

約数和(自身を除く): 6191759

約数列:

[1, 7, 37, 49, 83, 191, 259, 581, 1337, 1813, 3071, 4067, 7067, 9359, 15853, 21497, 49469, 110971, 150479, 346283, 586561, 776797, 4105927, 28741489]

約数ペア:

[(1, 28741489), (7, 4105927), (37, 776797), (49, 586561), (83, 346283), (191, 150479), (259, 110971), (581, 49469), (1337, 21497), (1813, 15853), (3071, 9359), (4067, 7067)]