128564906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{6469}}^1$

素因数の和:7013

約数の個数: 16

約数和(自身を含む): 203416800

約数和(自身を除く): 74851894

約数列:

[1, 2, 19, 38, 523, 1046, 6469, 9937, 12938, 19874, 122911, 245822, 3383287, 6766574, 64282453, 128564906]

約数ペア:

[(1, 128564906), (2, 64282453), (19, 6766574), (38, 3383287), (523, 245822), (1046, 122911), (6469, 19874), (9937, 12938)]