1968654772

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 4087879488

約数和(自身を除く): 2119224716

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 241, 284, 482, 497, 587, 964, 994, 1174, 1687, 1988, 2348, 3374, 3479, 4109, 6748, 6958, 8218, 11809, 13916, 16436, 17111, 23618, 28763, 34222, 41677, 47236, 57526, 68444, 83354, 115052, 119777, 141467, 166708, 239554, 282934, 291739, 479108, 565868, 583478, 838439, 990269, 1166956, 1676878, 1980538, 2042173, 3353756, 3961076, 4084346, 6931883, 8168692, 10044157, 13863766, 20088314, 27727532, 40176628, 70309099, 140618198, 281236396, 492163693, 984327386, 1968654772]

約数ペア:

[(1, 1968654772), (2, 984327386), (4, 492163693), (7, 281236396), (14, 140618198), (28, 70309099), (49, 40176628), (71, 27727532), (98, 20088314), (142, 13863766), (196, 10044157), (241, 8168692), (284, 6931883), (482, 4084346), (497, 3961076), (587, 3353756), (964, 2042173), (994, 1980538), (1174, 1676878), (1687, 1166956), (1988, 990269), (2348, 838439), (3374, 583478), (3479, 565868), (4109, 479108), (6748, 291739), (6958, 282934), (8218, 239554), (11809, 166708), (13916, 141467), (16436, 119777), (17111, 115052), (23618, 83354), (28763, 68444), (34222, 57526), (41677, 47236)]