2820790007

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{4003}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 3343996656

約数和(自身を除く): 523206649

約数列:

[1, 7, 49, 73, 197, 511, 1379, 3577, 4003, 9653, 14381, 28021, 100667, 196147, 292219, 704669, 788591, 2045533, 5520137, 14318731, 38640959, 57567143, 402970001, 2820790007]

約数ペア:

[(1, 2820790007), (7, 402970001), (49, 57567143), (73, 38640959), (197, 14318731), (511, 5520137), (1379, 2045533), (3577, 788591), (4003, 704669), (9653, 292219), (14381, 196147), (28021, 100667)]