156940262576

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{19977121}}^1$

素因数の和:19977620

約数の個数: 20

約数和(自身を含む): 304691064744

約数和(自身を除く): 147750802168

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 19977121, 39954242, 79908484, 159816968, 319633936, 9808766411, 19617532822, 39235065644, 78470131288, 156940262576]

約数ペア:

[(1, 156940262576), (2, 78470131288), (4, 39235065644), (8, 19617532822), (16, 9808766411), (491, 319633936), (982, 159816968), (1964, 79908484), (3928, 39954242), (7856, 19977121)]