206740225

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{123427}}^1$

素因数の和:123504

約数の個数: 12

約数和(自身を含む): 260186224

約数和(自身を除く): 53445999

約数列:

[1, 5, 25, 67, 335, 1675, 123427, 617135, 3085675, 8269609, 41348045, 206740225]

約数ペア:

[(1, 206740225), (5, 41348045), (25, 8269609), (67, 3085675), (335, 617135), (1675, 123427)]