2567057871

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1\times {\mathrm{3251}}^1$

素因数の和:5259

約数の個数: 32

約数和(自身を含む): 4120934400

約数和(自身を除く): 1553876529

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1979, 3251, 5937, 9753, 13853, 22757, 37601, 41559, 61769, 68271, 112803, 185307, 263207, 432383, 789621, 1297149, 6433729, 19301187, 45036103, 122240851, 135108309, 366722553, 855685957, 2567057871]

約数ペア:

[(1, 2567057871), (3, 855685957), (7, 366722553), (19, 135108309), (21, 122240851), (57, 45036103), (133, 19301187), (399, 6433729), (1979, 1297149), (3251, 789621), (5937, 432383), (9753, 263207), (13853, 185307), (22757, 112803), (37601, 68271), (41559, 61769)]