138440912

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{121867}}^1$

素因数の和:121946

約数の個数: 20

約数和(自身を含む): 272009376

約数和(自身を除く): 133568464

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 121867, 243734, 487468, 974936, 1949872, 8652557, 17305114, 34610228, 69220456, 138440912]

約数ペア:

[(1, 138440912), (2, 69220456), (4, 34610228), (8, 17305114), (16, 8652557), (71, 1949872), (142, 974936), (284, 487468), (568, 243734), (1136, 121867)]