399024237445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{135492101}}^1$

素因数の和:135492156

約数の個数: 16

約数和(自身を含む): 520289671680

約数和(自身を除く): 121265434235

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 135492101, 677460505, 2574349919, 4200255131, 12871749595, 21001275655, 79804847489, 399024237445]

約数ペア:

[(1, 399024237445), (5, 79804847489), (19, 21001275655), (31, 12871749595), (95, 4200255131), (155, 2574349919), (589, 677460505), (2945, 135492101)]