245791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 16

約数和(自身を含む): 314944

約数和(自身を除く): 69153

約数列:

[1, 7, 13, 37, 73, 91, 259, 481, 511, 949, 2701, 3367, 6643, 18907, 35113, 245791]

約数ペア:

[(1, 245791), (7, 35113), (13, 18907), (37, 6643), (73, 3367), (91, 2701), (259, 949), (481, 511)]