17990071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 20636928

約数和(自身を除く): 2646857

約数列:

[1, 11, 23, 211, 253, 337, 2321, 3707, 4853, 7751, 53383, 71107, 85261, 782177, 1635461, 17990071]

約数ペア:

[(1, 17990071), (11, 1635461), (23, 782177), (211, 85261), (253, 71107), (337, 53383), (2321, 7751), (3707, 4853)]