639079196

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{992359}}^1$

素因数の和:992393

約数の個数: 24

約数和(自身を含む): 1333731840

約数和(自身を除く): 694652644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 992359, 1984718, 3969436, 6946513, 13893026, 22824257, 27786052, 45648514, 91297028, 159769799, 319539598, 639079196]

約数ペア:

[(1, 639079196), (2, 319539598), (4, 159769799), (7, 91297028), (14, 45648514), (23, 27786052), (28, 22824257), (46, 13893026), (92, 6946513), (161, 3969436), (322, 1984718), (644, 992359)]