138020245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{8069}}^1$

素因数の和:8396

約数の個数: 16

約数和(自身を含む): 181284480

約数和(自身を除く): 43264235

約数列:

[1, 5, 11, 55, 311, 1555, 3421, 8069, 17105, 40345, 88759, 443795, 2509459, 12547295, 27604049, 138020245]

約数ペア:

[(1, 138020245), (5, 27604049), (11, 12547295), (55, 2509459), (311, 443795), (1555, 88759), (3421, 40345), (8069, 17105)]