26987290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{245339}}^1$

素因数の和:245357

約数の個数: 16

約数和(自身を含む): 52993440

約数和(自身を除く): 26006150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 245339, 490678, 1226695, 2453390, 2698729, 5397458, 13493645, 26987290]

約数ペア:

[(1, 26987290), (2, 13493645), (5, 5397458), (10, 2698729), (11, 2453390), (22, 1226695), (55, 490678), (110, 245339)]