1291212461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{919}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 1640632320

約数和(自身を除く): 349419859

約数列:

[1, 7, 11, 71, 77, 257, 497, 781, 919, 1799, 2827, 5467, 6433, 10109, 18247, 19789, 65249, 70763, 127729, 200717, 236183, 456743, 717739, 1405019, 1653281, 2598013, 5024173, 16768993, 18186091, 117382951, 184458923, 1291212461]

約数ペア:

[(1, 1291212461), (7, 184458923), (11, 117382951), (71, 18186091), (77, 16768993), (257, 5024173), (497, 2598013), (781, 1653281), (919, 1405019), (1799, 717739), (2827, 456743), (5467, 236183), (6433, 200717), (10109, 127729), (18247, 70763), (19789, 65249)]