138899998

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{26437}}^1$

素因数の和:26547

約数の個数: 16

約数和(自身を含む): 217003104

約数和(自身を除く): 78103106

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 26437, 52874, 978169, 1877027, 1956338, 3754054, 69449999, 138899998]

約数ペア:

[(1, 138899998), (2, 69449999), (37, 3754054), (71, 1956338), (74, 1877027), (142, 978169), (2627, 52874), (5254, 26437)]