331320829

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 402442496

約数和(自身を除く): 71121667

約数列:

[1, 7, 37, 61, 67, 259, 313, 427, 469, 2191, 2257, 2479, 4087, 11581, 15799, 17353, 19093, 20971, 28609, 81067, 133651, 146797, 151219, 706441, 775927, 1058533, 1279231, 4945087, 5431489, 8954617, 47331547, 331320829]

約数ペア:

[(1, 331320829), (7, 47331547), (37, 8954617), (61, 5431489), (67, 4945087), (259, 1279231), (313, 1058533), (427, 775927), (469, 706441), (2191, 151219), (2257, 146797), (2479, 133651), (4087, 81067), (11581, 28609), (15799, 20971), (17353, 19093)]