397854961

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 514771200

約数和(自身を除く): 116916239

約数列:

[1, 7, 17, 31, 49, 71, 119, 217, 343, 497, 527, 833, 961, 1207, 1519, 2201, 3479, 3689, 5831, 6727, 8449, 10633, 15407, 16337, 24353, 25823, 37417, 47089, 59143, 68231, 107849, 114359, 180761, 261919, 329623, 414001, 477617, 754943, 800513, 1159927, 1833433, 3343319, 5603591, 8119489, 12834031, 23403233, 56836423, 397854961]

約数ペア:

[(1, 397854961), (7, 56836423), (17, 23403233), (31, 12834031), (49, 8119489), (71, 5603591), (119, 3343319), (217, 1833433), (343, 1159927), (497, 800513), (527, 754943), (833, 477617), (961, 414001), (1207, 329623), (1519, 261919), (2201, 180761), (3479, 114359), (3689, 107849), (5831, 68231), (6727, 59143), (8449, 47089), (10633, 37417), (15407, 25823), (16337, 24353)]