128289205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{56891}}^1$

素因数の和:56948

約数の個数: 16

約数和(自身を含む): 172041408

約数和(自身を除く): 43752203

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 56891, 284455, 625801, 2332531, 3129005, 11662655, 25657841, 128289205]

約数ペア:

[(1, 128289205), (5, 25657841), (11, 11662655), (41, 3129005), (55, 2332531), (205, 625801), (451, 284455), (2255, 56891)]