212615876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{439289}}^1$

素因数の和:439315

約数の個数: 18

約数和(自身を含む): 408978990

約数和(自身を除く): 196363114

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 439289, 878578, 1757156, 4832179, 9664358, 19328716, 53153969, 106307938, 212615876]

約数ペア:

[(1, 212615876), (2, 106307938), (4, 53153969), (11, 19328716), (22, 9664358), (44, 4832179), (121, 1757156), (242, 878578), (484, 439289)]