213112228

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{245521}}^1$

素因数の和:245563

約数の個数: 24

約数和(自身を含む): 439975424

約数和(自身を除く): 226863196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 245521, 491042, 982084, 1718647, 3437294, 6874588, 7611151, 15222302, 30444604, 53278057, 106556114, 213112228]

約数ペア:

[(1, 213112228), (2, 106556114), (4, 53278057), (7, 30444604), (14, 15222302), (28, 7611151), (31, 6874588), (62, 3437294), (124, 1718647), (217, 982084), (434, 491042), (868, 245521)]