81811565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{5147}}^1$

素因数の和:5197

約数の個数: 24

約数和(自身を含む): 113791392

約数和(自身を除く): 31979827

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1445, 3179, 5147, 15895, 25735, 56617, 87499, 283085, 437495, 962489, 1487483, 4812445, 7437415, 16362313, 81811565]

約数ペア:

[(1, 81811565), (5, 16362313), (11, 7437415), (17, 4812445), (55, 1487483), (85, 962489), (187, 437495), (289, 283085), (935, 87499), (1445, 56617), (3179, 25735), (5147, 15895)]