138974308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{287137}}^1$

素因数の和:287163

約数の個数: 18

約数和(自身を含む): 267325478

約数和(自身を除く): 128351170

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 287137, 574274, 1148548, 3158507, 6317014, 12634028, 34743577, 69487154, 138974308]

約数ペア:

[(1, 138974308), (2, 69487154), (4, 34743577), (11, 12634028), (22, 6317014), (44, 3158507), (121, 1148548), (242, 574274), (484, 287137)]