128333569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 161004480

約数和(自身を除く): 32670911

約数列:

[1, 7, 13, 61, 91, 379, 427, 793, 2653, 3721, 4927, 5551, 23119, 26047, 34489, 48373, 161833, 300547, 338611, 1410259, 2103829, 9871813, 18333367, 128333569]

約数ペア:

[(1, 128333569), (7, 18333367), (13, 9871813), (61, 2103829), (91, 1410259), (379, 338611), (427, 300547), (793, 161833), (2653, 48373), (3721, 34489), (4927, 26047), (5551, 23119)]