216564478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{225119}}^1$

素因数の和:225171

約数の個数: 16

約数和(自身を含む): 359291520

約数和(自身を除く): 142727042

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 225119, 450238, 2926547, 5853094, 8329403, 16658806, 108282239, 216564478]

約数ペア:

[(1, 216564478), (2, 108282239), (13, 16658806), (26, 8329403), (37, 5853094), (74, 2926547), (481, 450238), (962, 225119)]