201915904

素因数分解:

$2^9\times {\mathrm{394367}}^1$

素因数の和:394385

約数の個数: 20

約数和(自身を含む): 403438464

約数和(自身を除く): 201522560

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 394367, 788734, 1577468, 3154936, 6309872, 12619744, 25239488, 50478976, 100957952, 201915904]

約数ペア:

[(1, 201915904), (2, 100957952), (4, 50478976), (8, 25239488), (16, 12619744), (32, 6309872), (64, 3154936), (128, 1577468), (256, 788734), (512, 394367)]