215657332

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{445573}}^1$

素因数の和:445599

約数の個数: 18

約数和(自身を含む): 414829394

約数和(自身を除く): 199172062

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 445573, 891146, 1782292, 4901303, 9802606, 19605212, 53914333, 107828666, 215657332]

約数ペア:

[(1, 215657332), (2, 107828666), (4, 53914333), (11, 19605212), (22, 9802606), (44, 4901303), (121, 1782292), (242, 891146), (484, 445573)]