209250251

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{27653}}^1$

素因数の和:27730

約数の個数: 16

約数和(自身を含む): 254859264

約数和(自身を除く): 45609013

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 27653, 193571, 636019, 1299691, 4452133, 9097837, 29892893, 209250251]

約数ペア:

[(1, 209250251), (7, 29892893), (23, 9097837), (47, 4452133), (161, 1299691), (329, 636019), (1081, 193571), (7567, 27653)]