138717872

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{129401}}^1$

素因数の和:129476

約数の個数: 20

約数和(自身を含む): 272779416

約数和(自身を除く): 134061544

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 129401, 258802, 517604, 1035208, 2070416, 8669867, 17339734, 34679468, 69358936, 138717872]

約数ペア:

[(1, 138717872), (2, 69358936), (4, 34679468), (8, 17339734), (16, 8669867), (67, 2070416), (134, 1035208), (268, 517604), (536, 258802), (1072, 129401)]