388620985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{4909}}^1$

素因数の和:5208

約数の個数: 16

約数和(自身を含む): 475130880

約数和(自身を除く): 86509895

約数列:

[1, 5, 71, 223, 355, 1115, 4909, 15833, 24545, 79165, 348539, 1094707, 1742695, 5473535, 77724197, 388620985]

約数ペア:

[(1, 388620985), (5, 77724197), (71, 5473535), (223, 1742695), (355, 1094707), (1115, 348539), (4909, 79165), (15833, 24545)]