81270304

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{19387}}^1$

素因数の和:19528

約数の個数: 24

約数和(自身を含む): 161230608

約数和(自身を除く): 79960304

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 19387, 38774, 77548, 155096, 310192, 620384, 2539697, 5079394, 10158788, 20317576, 40635152, 81270304]

約数ペア:

[(1, 81270304), (2, 40635152), (4, 20317576), (8, 10158788), (16, 5079394), (32, 2539697), (131, 620384), (262, 310192), (524, 155096), (1048, 77548), (2096, 38774), (4192, 19387)]