87721168

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{51239}}^1$

素因数の和:51354

約数の個数: 20

約数和(自身を含む): 171551520

約数和(自身を除く): 83830352

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 51239, 102478, 204956, 409912, 819824, 5482573, 10965146, 21930292, 43860584, 87721168]

約数ペア:

[(1, 87721168), (2, 43860584), (4, 21930292), (8, 10965146), (16, 5482573), (107, 819824), (214, 409912), (428, 204956), (856, 102478), (1712, 51239)]