129389456

素因数分解:

$2^4\times 7^1\times {\mathrm{1155263}}^1$

素因数の和:1155278

約数の個数: 20

約数和(自身を含む): 286505472

約数和(自身を除く): 157116016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1155263, 2310526, 4621052, 8086841, 9242104, 16173682, 18484208, 32347364, 64694728, 129389456]

約数ペア:

[(1, 129389456), (2, 64694728), (4, 32347364), (7, 18484208), (8, 16173682), (14, 9242104), (16, 8086841), (28, 4621052), (56, 2310526), (112, 1155263)]