493038623

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{20857}}^1$

素因数の和:21182

約数の個数: 16

約数和(自身を含む): 616729344

約数和(自身を除く): 123690721

約数列:

[1, 7, 11, 77, 307, 2149, 3377, 20857, 23639, 145999, 229427, 1605989, 6403099, 44821693, 70434089, 493038623]

約数ペア:

[(1, 493038623), (7, 70434089), (11, 44821693), (77, 6403099), (307, 1605989), (2149, 229427), (3377, 145999), (20857, 23639)]