16988881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8117}}^1$

素因数の和:8160

約数の個数: 16

約数和(自身を含む): 21821184

約数和(自身を除く): 4832303

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 8117, 56819, 105521, 186691, 738647, 1306837, 2426983, 16988881]

約数ペア:

[(1, 16988881), (7, 2426983), (13, 1306837), (23, 738647), (91, 186691), (161, 105521), (299, 56819), (2093, 8117)]