215515036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{445279}}^1$

素因数の和:445305

約数の個数: 18

約数和(自身を含む): 414555680

約数和(自身を除く): 199040644

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 445279, 890558, 1781116, 4898069, 9796138, 19592276, 53878759, 107757518, 215515036]

約数ペア:

[(1, 215515036), (2, 107757518), (4, 53878759), (11, 19592276), (22, 9796138), (44, 4898069), (121, 1781116), (242, 890558), (484, 445279)]