139903090

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{54437}}^1$

素因数の和:54701

約数の個数: 16

約数和(自身を含む): 252810072

約数和(自身を除く): 112906982

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 54437, 108874, 272185, 544370, 13990309, 27980618, 69951545, 139903090]

約数ペア:

[(1, 139903090), (2, 69951545), (5, 27980618), (10, 13990309), (257, 544370), (514, 272185), (1285, 108874), (2570, 54437)]