155219344

素因数分解:

$2^4\times 7^1\times {\mathrm{1385887}}^1$

素因数の和:1385902

約数の個数: 20

約数和(自身を含む): 343700224

約数和(自身を除く): 188480880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1385887, 2771774, 5543548, 9701209, 11087096, 19402418, 22174192, 38804836, 77609672, 155219344]

約数ペア:

[(1, 155219344), (2, 77609672), (4, 38804836), (7, 22174192), (8, 19402418), (14, 11087096), (16, 9701209), (28, 5543548), (56, 2771774), (112, 1385887)]