215513144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3931}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 509587200

約数和(自身を除く): 294074056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 89, 154, 178, 308, 356, 616, 623, 712, 979, 1246, 1958, 2492, 3916, 3931, 4984, 6853, 7832, 7862, 13706, 15724, 27412, 27517, 31448, 43241, 54824, 55034, 86482, 110068, 172964, 220136, 302687, 345928, 349859, 605374, 699718, 1210748, 1399436, 2421496, 2449013, 2798872, 3848449, 4898026, 7696898, 9796052, 15393796, 19592104, 26939143, 30787592, 53878286, 107756572, 215513144]

約数ペア:

[(1, 215513144), (2, 107756572), (4, 53878286), (7, 30787592), (8, 26939143), (11, 19592104), (14, 15393796), (22, 9796052), (28, 7696898), (44, 4898026), (56, 3848449), (77, 2798872), (88, 2449013), (89, 2421496), (154, 1399436), (178, 1210748), (308, 699718), (356, 605374), (616, 349859), (623, 345928), (712, 302687), (979, 220136), (1246, 172964), (1958, 110068), (2492, 86482), (3916, 55034), (3931, 54824), (4984, 43241), (6853, 31448), (7832, 27517), (7862, 27412), (13706, 15724)]