138604496

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{122011}}^1$

素因数の和:122090

約数の個数: 20

約数和(自身を含む): 272330784

約数和(自身を除く): 133726288

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 122011, 244022, 488044, 976088, 1952176, 8662781, 17325562, 34651124, 69302248, 138604496]

約数ペア:

[(1, 138604496), (2, 69302248), (4, 34651124), (8, 17325562), (16, 8662781), (71, 1952176), (142, 976088), (284, 488044), (568, 244022), (1136, 122011)]