208857275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{26189}}^1$

素因数の和:26239

約数の個数: 24

約数和(自身を含む): 292280400

約数和(自身を除く): 83423125

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 26189, 130945, 288079, 654725, 759481, 1440395, 3797405, 7201975, 8354291, 18987025, 41771455, 208857275]

約数ペア:

[(1, 208857275), (5, 41771455), (11, 18987025), (25, 8354291), (29, 7201975), (55, 3797405), (145, 1440395), (275, 759481), (319, 654725), (725, 288079), (1595, 130945), (7975, 26189)]