138416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 20

約数和(自身を含む): 276024

約数和(自身を除く): 137608

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 211, 328, 422, 656, 844, 1688, 3376, 8651, 17302, 34604, 69208, 138416]

約数ペア:

[(1, 138416), (2, 69208), (4, 34604), (8, 17302), (16, 8651), (41, 3376), (82, 1688), (164, 844), (211, 656), (328, 422)]