2783454128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1911713}}^1$

素因数の和:1911741

約数の個数: 40

約数和(自身を含む): 6637471008

約数和(自身を除く): 3854016880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1911713, 3823426, 7646852, 13381991, 15293704, 24852269, 26763982, 30587408, 49704538, 53527964, 99409076, 107055928, 173965883, 198818152, 214111856, 347931766, 397636304, 695863532, 1391727064, 2783454128]

約数ペア:

[(1, 2783454128), (2, 1391727064), (4, 695863532), (7, 397636304), (8, 347931766), (13, 214111856), (14, 198818152), (16, 173965883), (26, 107055928), (28, 99409076), (52, 53527964), (56, 49704538), (91, 30587408), (104, 26763982), (112, 24852269), (182, 15293704), (208, 13381991), (364, 7646852), (728, 3823426), (1456, 1911713)]