81043856

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61027}}^1$

素因数の和:61118

約数の個数: 20

約数和(自身を含む): 158916912

約数和(自身を除く): 77873056

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61027, 122054, 244108, 488216, 976432, 5065241, 10130482, 20260964, 40521928, 81043856]

約数ペア:

[(1, 81043856), (2, 40521928), (4, 20260964), (8, 10130482), (16, 5065241), (83, 976432), (166, 488216), (332, 244108), (664, 122054), (1328, 61027)]