55599995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{10009}}^1$

素因数の和:10126

約数の個数: 16

約数和(自身を含む): 73513440

約数和(自身を除く): 17913445

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 10009, 50045, 110099, 550495, 1010909, 5054545, 11119999, 55599995]

約数ペア:

[(1, 55599995), (5, 11119999), (11, 5054545), (55, 1010909), (101, 550495), (505, 110099), (1111, 50045), (5555, 10009)]