81133268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{5419}}^1$

素因数の和:5639

約数の個数: 24

約数和(自身を含む): 150242400

約数和(自身を除く): 69109132

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 3743, 5419, 7486, 10838, 14972, 21676, 102961, 205922, 411844, 1067543, 2135086, 4270172, 20283317, 40566634, 81133268]

約数ペア:

[(1, 81133268), (2, 40566634), (4, 20283317), (19, 4270172), (38, 2135086), (76, 1067543), (197, 411844), (394, 205922), (788, 102961), (3743, 21676), (5419, 14972), (7486, 10838)]