81789184

素因数分解:

$2^8\times {\mathrm{319489}}^1$

素因数の和:319505

約数の個数: 18

約数和(自身を含む): 163259390

約数和(自身を除く): 81470206

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 319489, 638978, 1277956, 2555912, 5111824, 10223648, 20447296, 40894592, 81789184]

約数ペア:

[(1, 81789184), (2, 40894592), (4, 20447296), (8, 10223648), (16, 5111824), (32, 2555912), (64, 1277956), (128, 638978), (256, 319489)]