1297989256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{19813}}^1$

素因数の和:20269

約数の個数: 32

約数和(自身を含む): 2567894400

約数和(自身を除く): 1269905144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 8189, 16378, 19813, 32756, 39626, 65512, 79252, 158504, 376447, 752894, 1505788, 3011576, 8539403, 17078806, 34157612, 68315224, 162248657, 324497314, 648994628, 1297989256]

約数ペア:

[(1, 1297989256), (2, 648994628), (4, 324497314), (8, 162248657), (19, 68315224), (38, 34157612), (76, 17078806), (152, 8539403), (431, 3011576), (862, 1505788), (1724, 752894), (3448, 376447), (8189, 158504), (16378, 79252), (19813, 65512), (32756, 39626)]