201620041984

素因数分解:

$2^8\times {\mathrm{787578289}}^1$

素因数の和:787578305

約数の個数: 18

約数和(自身を含む): 402452506190

約数和(自身を除く): 200832464206

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 787578289, 1575156578, 3150313156, 6300626312, 12601252624, 25202505248, 50405010496, 100810020992, 201620041984]

約数ペア:

[(1, 201620041984), (2, 100810020992), (4, 50405010496), (8, 25202505248), (16, 12601252624), (32, 6300626312), (64, 3150313156), (128, 1575156578), (256, 787578289)]