138990878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 249080832

約数和(自身を除く): 110089954

約数列:

[1, 2, 13, 17, 26, 34, 43, 71, 86, 103, 142, 206, 221, 442, 559, 731, 923, 1118, 1207, 1339, 1462, 1751, 1846, 2414, 2678, 3053, 3502, 4429, 6106, 7313, 8858, 9503, 14626, 15691, 19006, 22763, 31382, 39689, 45526, 51901, 57577, 75293, 79378, 95069, 103802, 115154, 124321, 150586, 190138, 248642, 314459, 628918, 674713, 978809, 1349426, 1616173, 1957618, 3232346, 4087967, 5345803, 8175934, 10691606, 69495439, 138990878]

約数ペア:

[(1, 138990878), (2, 69495439), (13, 10691606), (17, 8175934), (26, 5345803), (34, 4087967), (43, 3232346), (71, 1957618), (86, 1616173), (103, 1349426), (142, 978809), (206, 674713), (221, 628918), (442, 314459), (559, 248642), (731, 190138), (923, 150586), (1118, 124321), (1207, 115154), (1339, 103802), (1462, 95069), (1751, 79378), (1846, 75293), (2414, 57577), (2678, 51901), (3053, 45526), (3502, 39689), (4429, 31382), (6106, 22763), (7313, 19006), (8858, 15691), (9503, 14626)]