128810514

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{438131}}^1$

素因数の和:438150

約数の個数: 24

約数和(自身を含む): 299682288

約数和(自身を除く): 170871774

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 438131, 876262, 1314393, 2628786, 3066917, 6133834, 9200751, 18401502, 21468419, 42936838, 64405257, 128810514]

約数ペア:

[(1, 128810514), (2, 64405257), (3, 42936838), (6, 21468419), (7, 18401502), (14, 9200751), (21, 6133834), (42, 3066917), (49, 2628786), (98, 1314393), (147, 876262), (294, 438131)]