131438918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{49081}}^1$

素因数の和:49199

約数の個数: 16

約数和(自身を含む): 214390176

約数和(自身を除く): 82951258

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 49081, 98162, 638053, 1276106, 5055343, 10110686, 65719459, 131438918]

約数ペア:

[(1, 131438918), (2, 65719459), (13, 10110686), (26, 5055343), (103, 1276106), (206, 638053), (1339, 98162), (2678, 49081)]