128536639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{15601}}^1$

素因数の和:15726

約数の個数: 16

約数和(自身を含む): 161761536

約数和(自身を除く): 33224897

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 15601, 109207, 171611, 1201277, 1669307, 11685149, 18362377, 128536639]

約数ペア:

[(1, 128536639), (7, 18362377), (11, 11685149), (77, 1669307), (107, 1201277), (749, 171611), (1177, 109207), (8239, 15601)]