12571195

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 18903024

約数和(自身を除く): 6331829

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 3947, 19735, 27629, 51311, 138145, 193403, 256555, 359177, 967015, 1795885, 2514239, 12571195]

約数ペア:

[(1, 12571195), (5, 2514239), (7, 1795885), (13, 967015), (35, 359177), (49, 256555), (65, 193403), (91, 138145), (245, 51311), (455, 27629), (637, 19735), (3185, 3947)]