81395665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{2063}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 105412608

約数和(自身を除く): 24016943

約数列:

[1, 5, 13, 65, 607, 2063, 3035, 7891, 10315, 26819, 39455, 134095, 1252241, 6261205, 16279133, 81395665]

約数ペア:

[(1, 81395665), (5, 16279133), (13, 6261205), (65, 1252241), (607, 134095), (2063, 39455), (3035, 26819), (7891, 10315)]