629881217

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{20681}}^1$

素因数の和:20936

約数の個数: 16

約数和(自身を含む): 761097600

約数和(自身を除く): 131216383

約数列:

[1, 7, 19, 133, 229, 1603, 4351, 20681, 30457, 144767, 392939, 2750573, 4735949, 33151643, 89983031, 629881217]

約数ペア:

[(1, 629881217), (7, 89983031), (19, 33151643), (133, 4735949), (229, 2750573), (1603, 392939), (4351, 144767), (20681, 30457)]