2557537199

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{7757}}^1$

素因数の和:7887

約数の個数: 32

約数和(自身を含む): 3207467520

約数和(自身を除く): 649930321

約数列:

[1, 7, 19, 37, 67, 133, 259, 469, 703, 1273, 2479, 4921, 7757, 8911, 17353, 47101, 54299, 147383, 287009, 329707, 519719, 1031681, 2009063, 3638033, 5453171, 9874661, 19229603, 38172197, 69122627, 134607221, 365362457, 2557537199]

約数ペア:

[(1, 2557537199), (7, 365362457), (19, 134607221), (37, 69122627), (67, 38172197), (133, 19229603), (259, 9874661), (469, 5453171), (703, 3638033), (1273, 2009063), (2479, 1031681), (4921, 519719), (7757, 329707), (8911, 287009), (17353, 147383), (47101, 54299)]