81683968

素因数分解:

$2^9\times {\mathrm{159539}}^1$

素因数の和:159557

約数の個数: 20

約数和(自身を含む): 163209420

約数和(自身を除く): 81525452

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 159539, 319078, 638156, 1276312, 2552624, 5105248, 10210496, 20420992, 40841984, 81683968]

約数ペア:

[(1, 81683968), (2, 40841984), (4, 20420992), (8, 10210496), (16, 5105248), (32, 2552624), (64, 1276312), (128, 638156), (256, 319078), (512, 159539)]