78280111

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20981}}^1$

素因数の和:21042

約数の個数: 16

約数和(自身を含む): 98699328

約数和(自身を除く): 20419217

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 20981, 146867, 272753, 860221, 1909271, 6021547, 11182873, 78280111]

約数ペア:

[(1, 78280111), (7, 11182873), (13, 6021547), (41, 1909271), (91, 860221), (287, 272753), (533, 146867), (3731, 20981)]