81149045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{395849}}^1$

素因数の和:395895

約数の個数: 8

約数和(自身を含む): 99754200

約数和(自身を除く): 18605155

約数列:

[1, 5, 41, 205, 395849, 1979245, 16229809, 81149045]

約数ペア:

[(1, 81149045), (5, 16229809), (41, 1979245), (205, 395849)]