1288996865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{5231}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 1772015616

約数和(自身を除く): 483018751

約数列:

[1, 5, 13, 17, 65, 85, 221, 223, 1105, 1115, 2899, 3791, 5231, 14495, 18955, 26155, 49283, 68003, 88927, 246415, 340015, 444635, 1156051, 1166513, 5780255, 5832565, 15164669, 19830721, 75823345, 99153605, 257799373, 1288996865]

約数ペア:

[(1, 1288996865), (5, 257799373), (13, 99153605), (17, 75823345), (65, 19830721), (85, 15164669), (221, 5832565), (223, 5780255), (1105, 1166513), (1115, 1156051), (2899, 444635), (3791, 340015), (5231, 246415), (14495, 88927), (18955, 68003), (26155, 49283)]