138903338

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{10657}}^1$

素因数の和:10699

約数の個数: 32

約数和(自身を含む): 255792000

約数和(自身を除く): 116888662

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1862, 6517, 10657, 13034, 21314, 74599, 149198, 202483, 404966, 522193, 1044386, 1417381, 2834762, 3655351, 7310702, 9921667, 19843334, 69451669, 138903338]

約数ペア:

[(1, 138903338), (2, 69451669), (7, 19843334), (14, 9921667), (19, 7310702), (38, 3655351), (49, 2834762), (98, 1417381), (133, 1044386), (266, 522193), (343, 404966), (686, 202483), (931, 149198), (1862, 74599), (6517, 21314), (10657, 13034)]