209216854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{13451}}^1$

素因数の和:13572

約数の個数: 32

約数和(自身を含む): 395165952

約数和(自身を除く): 185949098

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1414, 2222, 7777, 13451, 15554, 26902, 94157, 147961, 188314, 295922, 1035727, 1358551, 2071454, 2717102, 9509857, 14944061, 19019714, 29888122, 104608427, 209216854]

約数ペア:

[(1, 209216854), (2, 104608427), (7, 29888122), (11, 19019714), (14, 14944061), (22, 9509857), (77, 2717102), (101, 2071454), (154, 1358551), (202, 1035727), (707, 295922), (1111, 188314), (1414, 147961), (2222, 94157), (7777, 26902), (13451, 15554)]