1285153961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{19919}}^1$

素因数の和:20648

約数の個数: 16

約数和(自身を含む): 1584038400

約数和(自身を除く): 298884439

約数列:

[1, 7, 13, 91, 709, 4963, 9217, 19919, 64519, 139433, 258947, 1812629, 14122571, 98857997, 183593423, 1285153961]

約数ペア:

[(1, 1285153961), (7, 183593423), (13, 98857997), (91, 14122571), (709, 1812629), (4963, 258947), (9217, 139433), (19919, 64519)]