128380496

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{113011}}^1$

素因数の和:113090

約数の個数: 20

約数和(自身を含む): 252242784

約数和(自身を除く): 123862288

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 113011, 226022, 452044, 904088, 1808176, 8023781, 16047562, 32095124, 64190248, 128380496]

約数ペア:

[(1, 128380496), (2, 64190248), (4, 32095124), (8, 16047562), (16, 8023781), (71, 1808176), (142, 904088), (284, 452044), (568, 226022), (1136, 113011)]