81605874

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2132

約数の個数: 64

約数和(自身を含む): 200448000

約数和(自身を除く): 118842126

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 798, 931, 1029, 1862, 2058, 2087, 2793, 4174, 5586, 6261, 6517, 12522, 13034, 14609, 19551, 29218, 39102, 39653, 43827, 79306, 87654, 102263, 118959, 204526, 237918, 277571, 306789, 555142, 613578, 715841, 832713, 1431682, 1665426, 1942997, 2147523, 3885994, 4295046, 5828991, 11657982, 13600979, 27201958, 40802937, 81605874]

約数ペア:

[(1, 81605874), (2, 40802937), (3, 27201958), (6, 13600979), (7, 11657982), (14, 5828991), (19, 4295046), (21, 3885994), (38, 2147523), (42, 1942997), (49, 1665426), (57, 1431682), (98, 832713), (114, 715841), (133, 613578), (147, 555142), (266, 306789), (294, 277571), (343, 237918), (399, 204526), (686, 118959), (798, 102263), (931, 87654), (1029, 79306), (1862, 43827), (2058, 39653), (2087, 39102), (2793, 29218), (4174, 19551), (5586, 14609), (6261, 13034), (6517, 12522)]