231390145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{388891}}^1$

素因数の和:388920

約数の個数: 16

約数和(自身を含む): 336002688

約数和(自身を除く): 104612543

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 388891, 1944455, 2722237, 6611147, 13611185, 33055735, 46278029, 231390145]

約数ペア:

[(1, 231390145), (5, 46278029), (7, 33055735), (17, 13611185), (35, 6611147), (85, 2722237), (119, 1944455), (595, 388891)]