215429852

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{445103}}^1$

素因数の和:445129

約数の個数: 18

約数和(自身を含む): 414391824

約数和(自身を除く): 198961972

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 445103, 890206, 1780412, 4896133, 9792266, 19584532, 53857463, 107714926, 215429852]

約数ペア:

[(1, 215429852), (2, 107714926), (4, 53857463), (11, 19584532), (22, 9792266), (44, 4896133), (121, 1780412), (242, 890206), (484, 445103)]