138221758388

素因数分解:

$2^2\times 7^2\times {\mathrm{705213053}}^1$

素因数の和:705213071

約数の個数: 18

約数和(自身を含む): 281380008546

約数和(自身を除く): 143158250158

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 705213053, 1410426106, 2820852212, 4936491371, 9872982742, 19745965484, 34555439597, 69110879194, 138221758388]

約数ペア:

[(1, 138221758388), (2, 69110879194), (4, 34555439597), (7, 19745965484), (14, 9872982742), (28, 4936491371), (49, 2820852212), (98, 1410426106), (196, 705213053)]