138951484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2441}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 295384320

約数和(自身を除く): 156432836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 532, 749, 1498, 2033, 2441, 2996, 4066, 4882, 8132, 9764, 14231, 17087, 28462, 34174, 46379, 56924, 68348, 92758, 185516, 261187, 324653, 522374, 649306, 1044748, 1298612, 1828309, 3656618, 4962553, 7313236, 9925106, 19850212, 34737871, 69475742, 138951484]

約数ペア:

[(1, 138951484), (2, 69475742), (4, 34737871), (7, 19850212), (14, 9925106), (19, 7313236), (28, 4962553), (38, 3656618), (76, 1828309), (107, 1298612), (133, 1044748), (214, 649306), (266, 522374), (428, 324653), (532, 261187), (749, 185516), (1498, 92758), (2033, 68348), (2441, 56924), (2996, 46379), (4066, 34174), (4882, 28462), (8132, 17087), (9764, 14231)]