85412905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{857}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 106089984

約数和(自身を除く): 20677079

約数列:

[1, 5, 31, 155, 643, 857, 3215, 4285, 19933, 26567, 99665, 132835, 551051, 2755255, 17082581, 85412905]

約数ペア:

[(1, 85412905), (5, 17082581), (31, 2755255), (155, 551051), (643, 132835), (857, 99665), (3215, 26567), (4285, 19933)]