128861264

素因数分解:

$2^4\times 7^1\times {\mathrm{1150547}}^1$

素因数の和:1150562

約数の個数: 20

約数和(自身を含む): 285335904

約数和(自身を除く): 156474640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1150547, 2301094, 4602188, 8053829, 9204376, 16107658, 18408752, 32215316, 64430632, 128861264]

約数ペア:

[(1, 128861264), (2, 64430632), (4, 32215316), (7, 18408752), (8, 16107658), (14, 9204376), (16, 8053829), (28, 4602188), (56, 2301094), (112, 1150547)]