139385141

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{991}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 162275328

約数和(自身を除く): 22890187

約数列:

[1, 7, 71, 283, 497, 991, 1981, 6937, 20093, 70361, 140651, 280453, 492527, 1963171, 19912163, 139385141]

約数ペア:

[(1, 139385141), (7, 19912163), (71, 1963171), (283, 492527), (497, 280453), (991, 140651), (1981, 70361), (6937, 20093)]