217327955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{20021}}^1$

素因数の和:20206

約数の個数: 16

約数和(自身を含む): 282550464

約数和(自身を除く): 65222509

約数列:

[1, 5, 13, 65, 167, 835, 2171, 10855, 20021, 100105, 260273, 1301365, 3343507, 16717535, 43465591, 217327955]

約数ペア:

[(1, 217327955), (5, 43465591), (13, 16717535), (65, 3343507), (167, 1301365), (835, 260273), (2171, 100105), (10855, 20021)]