261570265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{13627}}^1$

素因数の和:13992

約数の個数: 16

約数和(自身を含む): 343425600

約数和(自身を除く): 81855335

約数列:

[1, 5, 11, 55, 349, 1745, 3839, 13627, 19195, 68135, 149897, 749485, 4755823, 23779115, 52314053, 261570265]

約数ペア:

[(1, 261570265), (5, 52314053), (11, 23779115), (55, 4755823), (349, 749485), (1745, 149897), (3839, 68135), (13627, 19195)]