209043856

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18121}}^1$

素因数の和:18239

約数の個数: 40

約数和(自身を含む): 467402624

約数和(自身を除く): 258358768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 18121, 36242, 72484, 126847, 144968, 253694, 289936, 507388, 1014776, 1866463, 2029552, 3732926, 7465852, 13065241, 14931704, 26130482, 29863408, 52260964, 104521928, 209043856]

約数ペア:

[(1, 209043856), (2, 104521928), (4, 52260964), (7, 29863408), (8, 26130482), (14, 14931704), (16, 13065241), (28, 7465852), (56, 3732926), (103, 2029552), (112, 1866463), (206, 1014776), (412, 507388), (721, 289936), (824, 253694), (1442, 144968), (1648, 126847), (2884, 72484), (5768, 36242), (11536, 18121)]