12640537

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8171}}^1$

素因数の和:8208

約数の個数: 16

約数和(自身を含む): 16474752

約数和(自身を除く): 3834215

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 8171, 57197, 106223, 138907, 743561, 972349, 1805791, 12640537]

約数ペア:

[(1, 12640537), (7, 1805791), (13, 972349), (17, 743561), (91, 138907), (119, 106223), (221, 57197), (1547, 8171)]