81110416

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{25733}}^1$

素因数の和:25938

約数の個数: 20

約数和(自身を含む): 157955292

約数和(自身を除く): 76844876

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 25733, 51466, 102932, 205864, 411728, 5069401, 10138802, 20277604, 40555208, 81110416]

約数ペア:

[(1, 81110416), (2, 40555208), (4, 20277604), (8, 10138802), (16, 5069401), (197, 411728), (394, 205864), (788, 102932), (1576, 51466), (3152, 25733)]