138989104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{457201}}^1$

素因数の和:457228

約数の個数: 20

約数和(自身を含む): 283465240

約数和(自身を除く): 144476136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 457201, 914402, 1828804, 3657608, 7315216, 8686819, 17373638, 34747276, 69494552, 138989104]

約数ペア:

[(1, 138989104), (2, 69494552), (4, 34747276), (8, 17373638), (16, 8686819), (19, 7315216), (38, 3657608), (76, 1828804), (152, 914402), (304, 457201)]