389664445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{141439}}^1$

素因数の和:141492

約数の個数: 16

約数和(自身を含む): 509184000

約数和(自身を除く): 119519555

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 141439, 707195, 2687341, 4101731, 13436705, 20508655, 77932889, 389664445]

約数ペア:

[(1, 389664445), (5, 77932889), (19, 20508655), (29, 13436705), (95, 4101731), (145, 2687341), (551, 707195), (2755, 141439)]