218936816

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{84991}}^1$

素因数の和:85029

約数の個数: 40

約数和(自身を含む): 505872384

約数和(自身を除く): 286935568

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 84991, 169982, 339964, 594937, 679928, 1189874, 1359856, 1954793, 2379748, 3909586, 4759496, 7819172, 9518992, 13683551, 15638344, 27367102, 31276688, 54734204, 109468408, 218936816]

約数ペア:

[(1, 218936816), (2, 109468408), (4, 54734204), (7, 31276688), (8, 27367102), (14, 15638344), (16, 13683551), (23, 9518992), (28, 7819172), (46, 4759496), (56, 3909586), (92, 2379748), (112, 1954793), (161, 1359856), (184, 1189874), (322, 679928), (368, 594937), (644, 339964), (1288, 169982), (2576, 84991)]