138942448

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{377561}}^1$

素因数の和:377592

約数の個数: 20

約数和(自身を含む): 280906128

約数和(自身を除く): 141963680

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 377561, 755122, 1510244, 3020488, 6040976, 8683903, 17367806, 34735612, 69471224, 138942448]

約数ペア:

[(1, 138942448), (2, 69471224), (4, 34735612), (8, 17367806), (16, 8683903), (23, 6040976), (46, 3020488), (92, 1510244), (184, 755122), (368, 377561)]