127721488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257503}}^1$

素因数の和:257542

約数の個数: 20

約数和(自身を含む): 255443968

約数和(自身を除く): 127722480

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 257503, 515006, 1030012, 2060024, 4120048, 7982593, 15965186, 31930372, 63860744, 127721488]

約数ペア:

[(1, 127721488), (2, 63860744), (4, 31930372), (8, 15965186), (16, 7982593), (31, 4120048), (62, 2060024), (124, 1030012), (248, 515006), (496, 257503)]