51519985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 72930816

約数和(自身を除く): 21410831

約数列:

[1, 5, 11, 31, 41, 55, 67, 121, 155, 205, 335, 341, 451, 605, 737, 1271, 1705, 2077, 2255, 2747, 3685, 3751, 4961, 6355, 8107, 10385, 13735, 13981, 18755, 22847, 24805, 30217, 40535, 69905, 85157, 114235, 151085, 153791, 251317, 332387, 425785, 768955, 936727, 1256585, 1661935, 4683635, 10303997, 51519985]

約数ペア:

[(1, 51519985), (5, 10303997), (11, 4683635), (31, 1661935), (41, 1256585), (55, 936727), (67, 768955), (121, 425785), (155, 332387), (205, 251317), (335, 153791), (341, 151085), (451, 114235), (605, 85157), (737, 69905), (1271, 40535), (1705, 30217), (2077, 24805), (2255, 22847), (2747, 18755), (3685, 13981), (3751, 13735), (4961, 10385), (6355, 8107)]