128340079

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{22441}}^1$

素因数の和:22510

約数の個数: 16

約数和(自身を含む): 157991680

約数和(自身を除く): 29651601

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 22441, 157087, 426379, 964963, 2984653, 6754741, 18334297, 128340079]

約数ペア:

[(1, 128340079), (7, 18334297), (19, 6754741), (43, 2984653), (133, 964963), (301, 426379), (817, 157087), (5719, 22441)]