2155201912

素因数分解:

$2^3\times {\mathrm{34721}}^1\times {\mathrm{7759}}^1$

素因数の和:42486

約数の個数: 16

約数和(自身を含む): 4041640800

約数和(自身を除く): 1886438888

約数列:

[1, 2, 4, 8, 7759, 15518, 31036, 34721, 62072, 69442, 138884, 277768, 269400239, 538800478, 1077600956, 2155201912]

約数ペア:

[(1, 2155201912), (2, 1077600956), (4, 538800478), (8, 269400239), (7759, 277768), (15518, 138884), (31036, 69442), (34721, 62072)]