128545784

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{226313}}^1$

素因数の和:226390

約数の個数: 16

約数和(自身を含む): 244419120

約数和(自身を除く): 115873336

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 226313, 452626, 905252, 1810504, 16068223, 32136446, 64272892, 128545784]

約数ペア:

[(1, 128545784), (2, 64272892), (4, 32136446), (8, 16068223), (71, 1810504), (142, 905252), (284, 452626), (568, 226313)]