256639859

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1\times {\mathrm{1759}}^1$

素因数の和:2882

約数の個数: 16

約数和(自身を含む): 309196800

約数和(自身を除く): 52556941

約数列:

[1, 7, 19, 133, 1097, 1759, 7679, 12313, 20843, 33421, 145901, 233947, 1929623, 13507361, 36662837, 256639859]

約数ペア:

[(1, 256639859), (7, 36662837), (19, 13507361), (133, 1929623), (1097, 233947), (1759, 145901), (7679, 33421), (12313, 20843)]