13872187

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 17183232

約数和(自身を除く): 3311045

約数列:

[1, 7, 17, 43, 119, 301, 731, 2711, 5117, 18977, 46087, 116573, 322609, 816011, 1981741, 13872187]

約数ペア:

[(1, 13872187), (7, 1981741), (17, 816011), (43, 322609), (119, 116573), (301, 46087), (731, 18977), (2711, 5117)]