12521390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{178877}}^1$

素因数の和:178891

約数の個数: 16

約数和(自身を含む): 25758432

約数和(自身を除く): 13237042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 178877, 357754, 894385, 1252139, 1788770, 2504278, 6260695, 12521390]

約数ペア:

[(1, 12521390), (2, 6260695), (5, 2504278), (7, 1788770), (10, 1252139), (14, 894385), (35, 357754), (70, 178877)]