28133224

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 64252800

約数和(自身を除く): 36119576

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 137, 152, 193, 266, 274, 386, 532, 548, 772, 959, 1064, 1096, 1351, 1544, 1918, 2603, 2702, 3667, 3836, 5206, 5404, 7334, 7672, 10412, 10808, 14668, 18221, 20824, 25669, 26441, 29336, 36442, 51338, 52882, 72884, 102676, 105764, 145768, 185087, 205352, 211528, 370174, 502379, 740348, 1004758, 1480696, 2009516, 3516653, 4019032, 7033306, 14066612, 28133224]

約数ペア:

[(1, 28133224), (2, 14066612), (4, 7033306), (7, 4019032), (8, 3516653), (14, 2009516), (19, 1480696), (28, 1004758), (38, 740348), (56, 502379), (76, 370174), (133, 211528), (137, 205352), (152, 185087), (193, 145768), (266, 105764), (274, 102676), (386, 72884), (532, 52882), (548, 51338), (772, 36442), (959, 29336), (1064, 26441), (1096, 25669), (1351, 20824), (1544, 18221), (1918, 14668), (2603, 10808), (2702, 10412), (3667, 7672), (3836, 7334), (5206, 5404)]