1228960655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{266297}}^1$

素因数の和:266386

約数の個数: 16

約数和(自身を含む): 1610570304

約数和(自身を除く): 381609649

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 266297, 1331485, 3461861, 17309305, 18907087, 94535435, 245792131, 1228960655]

約数ペア:

[(1, 1228960655), (5, 245792131), (13, 94535435), (65, 18907087), (71, 17309305), (355, 3461861), (923, 1331485), (4615, 266297)]