81582608

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{38923}}^1$

素因数の和:39062

約数の個数: 20

約数和(自身を含む): 159277008

約数和(自身を除く): 77694400

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 38923, 77846, 155692, 311384, 622768, 5098913, 10197826, 20395652, 40791304, 81582608]

約数ペア:

[(1, 81582608), (2, 40791304), (4, 20395652), (8, 10197826), (16, 5098913), (131, 622768), (262, 311384), (524, 155692), (1048, 77846), (2096, 38923)]