639648965188

素因数分解:

$2^2\times {\mathrm{1259}}^1\times {\mathrm{6367}}^1\times {\mathrm{19949}}^1$

素因数の和:27579

約数の個数: 24

約数和(自身を含む): 1120506912000

約数和(自身を除く): 480857946812

約数列:

[1, 2, 4, 1259, 2518, 5036, 6367, 12734, 19949, 25468, 39898, 79796, 8016053, 16032106, 25115791, 32064212, 50231582, 100463164, 127015283, 254030566, 508061132, 159912241297, 319824482594, 639648965188]

約数ペア:

[(1, 639648965188), (2, 319824482594), (4, 159912241297), (1259, 508061132), (2518, 254030566), (5036, 127015283), (6367, 100463164), (12734, 50231582), (19949, 32064212), (25468, 25115791), (39898, 16032106), (79796, 8016053)]