221295745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{19069}}^1$

素因数の和:19296

約数の個数: 16

約数和(自身を含む): 291084480

約数和(自身を除く): 69788735

約数列:

[1, 5, 11, 55, 211, 1055, 2321, 11605, 19069, 95345, 209759, 1048795, 4023559, 20117795, 44259149, 221295745]

約数ペア:

[(1, 221295745), (5, 44259149), (11, 20117795), (55, 4023559), (211, 1048795), (1055, 209759), (2321, 95345), (11605, 19069)]