138973828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{261229}}^1$

素因数の和:261259

約数の個数: 24

約数和(自身を含む): 292577600

約数和(自身を除く): 153603772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 261229, 522458, 1044916, 1828603, 3657206, 4963351, 7314412, 9926702, 19853404, 34743457, 69486914, 138973828]

約数ペア:

[(1, 138973828), (2, 69486914), (4, 34743457), (7, 19853404), (14, 9926702), (19, 7314412), (28, 4963351), (38, 3657206), (76, 1828603), (133, 1044916), (266, 522458), (532, 261229)]