256101118

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19819}}^1$

素因数の和:19912

約数の個数: 32

約数和(自身を含む): 479485440

約数和(自身を除く): 223384322

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1846, 6461, 12922, 19819, 39638, 138733, 257647, 277466, 515294, 1407149, 1803529, 2814298, 3607058, 9850043, 18292937, 19700086, 36585874, 128050559, 256101118]

約数ペア:

[(1, 256101118), (2, 128050559), (7, 36585874), (13, 19700086), (14, 18292937), (26, 9850043), (71, 3607058), (91, 2814298), (142, 1803529), (182, 1407149), (497, 515294), (923, 277466), (994, 257647), (1846, 138733), (6461, 39638), (12922, 19819)]