221571133

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{11719}}^1$

素因数の和:11836

約数の個数: 16

約数和(自身を含む): 263653120

約数和(自身を除く): 42081987

約数列:

[1, 7, 37, 73, 259, 511, 2701, 11719, 18907, 82033, 433603, 855487, 3035221, 5988409, 31653019, 221571133]

約数ペア:

[(1, 221571133), (7, 31653019), (37, 5988409), (73, 3035221), (259, 855487), (511, 433603), (2701, 82033), (11719, 18907)]