2648165008

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{644009}}^1$

素因数の和:644274

約数の個数: 20

約数和(自身を含む): 5150791980

約数和(自身を除く): 2502626972

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 644009, 1288018, 2576036, 5152072, 10304144, 165510313, 331020626, 662041252, 1324082504, 2648165008]

約数ペア:

[(1, 2648165008), (2, 1324082504), (4, 662041252), (8, 331020626), (16, 165510313), (257, 10304144), (514, 5152072), (1028, 2576036), (2056, 1288018), (4112, 644009)]