138868198

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{15331}}^1$

素因数の和:15987

約数の個数: 16

約数和(自身を含む): 238443264

約数和(自身を除く): 99575066

約数列:

[1, 2, 7, 14, 647, 1294, 4529, 9058, 15331, 30662, 107317, 214634, 9919157, 19838314, 69434099, 138868198]

約数ペア:

[(1, 138868198), (2, 69434099), (7, 19838314), (14, 9919157), (647, 214634), (1294, 107317), (4529, 30662), (9058, 15331)]