256965648

素因数分解:

$2^4\times 3^1\times {\mathrm{431}}^1\times {\mathrm{12421}}^1$

素因数の和:12863

約数の個数: 40

約数和(自身を含む): 665421696

約数和(自身を除く): 408456048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431, 862, 1293, 1724, 2586, 3448, 5172, 6896, 10344, 12421, 20688, 24842, 37263, 49684, 74526, 99368, 149052, 198736, 298104, 596208, 5353451, 10706902, 16060353, 21413804, 32120706, 42827608, 64241412, 85655216, 128482824, 256965648]

約数ペア:

[(1, 256965648), (2, 128482824), (3, 85655216), (4, 64241412), (6, 42827608), (8, 32120706), (12, 21413804), (16, 16060353), (24, 10706902), (48, 5353451), (431, 596208), (862, 298104), (1293, 198736), (1724, 149052), (2586, 99368), (3448, 74526), (5172, 49684), (6896, 37263), (10344, 24842), (12421, 20688)]