138887992

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{423439}}^1$

素因数の和:423486

約数の個数: 16

約数和(自身を含む): 266767200

約数和(自身を除く): 127879208

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 423439, 846878, 1693756, 3387512, 17360999, 34721998, 69443996, 138887992]

約数ペア:

[(1, 138887992), (2, 69443996), (4, 34721998), (8, 17360999), (41, 3387512), (82, 1693756), (164, 846878), (328, 423439)]