72224656

素因数分解:

$2^4\times 7^1\times {\mathrm{644863}}^1$

素因数の和:644878

約数の個数: 20

約数和(自身を含む): 159926272

約数和(自身を除く): 87701616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644863, 1289726, 2579452, 4514041, 5158904, 9028082, 10317808, 18056164, 36112328, 72224656]

約数ペア:

[(1, 72224656), (2, 36112328), (4, 18056164), (7, 10317808), (8, 9028082), (14, 5158904), (16, 4514041), (28, 2579452), (56, 1289726), (112, 644863)]