28423031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 10606729

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 967, 1547, 1729, 2261, 4199, 6769, 12571, 16439, 18373, 29393, 87997, 115073, 128611, 213707, 238849, 312341, 1495949, 1671943, 2186387, 4060433, 28423031]

約数ペア:

[(1, 28423031), (7, 4060433), (13, 2186387), (17, 1671943), (19, 1495949), (91, 312341), (119, 238849), (133, 213707), (221, 128611), (247, 115073), (323, 87997), (967, 29393), (1547, 18373), (1729, 16439), (2261, 12571), (4199, 6769)]