81697888

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{19489}}^1$

素因数の和:19630

約数の個数: 24

約数和(自身を含む): 162078840

約数和(自身を除く): 80380952

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 19489, 38978, 77956, 155912, 311824, 623648, 2553059, 5106118, 10212236, 20424472, 40848944, 81697888]

約数ペア:

[(1, 81697888), (2, 40848944), (4, 20424472), (8, 10212236), (16, 5106118), (32, 2553059), (131, 623648), (262, 311824), (524, 155912), (1048, 77956), (2096, 38978), (4192, 19489)]