81520112

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{26399}}^1$

素因数の和:26600

約数の個数: 20

約数和(自身を含む): 158769600

約数和(自身を除く): 77249488

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 26399, 52798, 105596, 211192, 422384, 5095007, 10190014, 20380028, 40760056, 81520112]

約数ペア:

[(1, 81520112), (2, 40760056), (4, 20380028), (8, 10190014), (16, 5095007), (193, 422384), (386, 211192), (772, 105596), (1544, 52798), (3088, 26399)]