28688195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{971}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 7703485

約数列:

[1, 5, 19, 95, 311, 971, 1555, 4855, 5909, 18449, 29545, 92245, 301981, 1509905, 5737639, 28688195]

約数ペア:

[(1, 28688195), (5, 5737639), (19, 1509905), (95, 301981), (311, 92245), (971, 29545), (1555, 18449), (4855, 5909)]