1388996905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{63439}}^1$

素因数の和:63624

約数の個数: 16

約数和(自身を含む): 1735718400

約数和(自身を除く): 346721495

約数列:

[1, 5, 29, 145, 151, 755, 4379, 21895, 63439, 317195, 1839731, 9198655, 9579289, 47896445, 277799381, 1388996905]

約数ペア:

[(1, 1388996905), (5, 277799381), (29, 47896445), (145, 9579289), (151, 9198655), (755, 1839731), (4379, 317195), (21895, 63439)]