255965437

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 322721280

約数和(自身を除く): 66755843

約数列:

[1, 7, 13, 71, 91, 173, 229, 497, 923, 1211, 1603, 2249, 2977, 6461, 12283, 15743, 16259, 20839, 39617, 85981, 113813, 159679, 211367, 277319, 515021, 1117753, 1479569, 2812807, 3605147, 19689649, 36566491, 255965437]

約数ペア:

[(1, 255965437), (7, 36566491), (13, 19689649), (71, 3605147), (91, 2812807), (173, 1479569), (229, 1117753), (497, 515021), (923, 277319), (1211, 211367), (1603, 159679), (2249, 113813), (2977, 85981), (6461, 39617), (12283, 20839), (15743, 16259)]