331384757

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 415598400

約数和(自身を除く): 84213643

約数列:

[1, 11, 17, 19, 61, 121, 139, 187, 209, 323, 671, 1037, 1159, 1529, 2057, 2299, 2363, 2641, 3553, 7381, 8479, 11407, 12749, 16819, 19703, 25993, 29051, 39083, 44897, 93269, 125477, 140239, 144143, 161101, 216733, 285923, 319561, 493867, 1025959, 1585573, 1772111, 2384063, 2738717, 5432537, 17441303, 19493221, 30125887, 331384757]

約数ペア:

[(1, 331384757), (11, 30125887), (17, 19493221), (19, 17441303), (61, 5432537), (121, 2738717), (139, 2384063), (187, 1772111), (209, 1585573), (323, 1025959), (671, 493867), (1037, 319561), (1159, 285923), (1529, 216733), (2057, 161101), (2299, 144143), (2363, 140239), (2641, 125477), (3553, 93269), (7381, 44897), (8479, 39083), (11407, 29051), (12749, 25993), (16819, 19703)]