138833456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1777}}^1$

素因数の和:2061

約数の個数: 40

約数和(自身を含む): 284408880

約数和(自身を除く): 145575424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 1028, 1777, 2056, 3554, 4112, 4883, 7108, 9766, 14216, 19532, 28432, 33763, 39064, 67526, 78128, 135052, 270104, 456689, 540208, 913378, 1826756, 3653512, 7307024, 8677091, 17354182, 34708364, 69416728, 138833456]

約数ペア:

[(1, 138833456), (2, 69416728), (4, 34708364), (8, 17354182), (16, 8677091), (19, 7307024), (38, 3653512), (76, 1826756), (152, 913378), (257, 540208), (304, 456689), (514, 270104), (1028, 135052), (1777, 78128), (2056, 67526), (3554, 39064), (4112, 33763), (4883, 28432), (7108, 19532), (9766, 14216)]