27781876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21543

約数の個数: 24

約数和(自身を含む): 54190080

約数和(自身を除く): 26408204

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 21503, 43006, 86012, 365551, 408557, 731102, 817114, 1462204, 1634228, 6945469, 13890938, 27781876]

約数ペア:

[(1, 27781876), (2, 13890938), (4, 6945469), (17, 1634228), (19, 1462204), (34, 817114), (38, 731102), (68, 408557), (76, 365551), (323, 86012), (646, 43006), (1292, 21503)]