56981988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3967}}^1$

素因数の和:4006

約数の個数: 96

約数和(自身を含む): 177766400

約数和(自身を除く): 120784412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1596, 2052, 2394, 3591, 3967, 4788, 7182, 7934, 11901, 14364, 15868, 23802, 27769, 35703, 47604, 55538, 71406, 75373, 83307, 107109, 111076, 142812, 150746, 166614, 214218, 226119, 249921, 301492, 333228, 428436, 452238, 499842, 527611, 678357, 749763, 904476, 999684, 1055222, 1356714, 1499526, 1582833, 2035071, 2110444, 2713428, 2999052, 3165666, 4070142, 4748499, 6331332, 8140284, 9496998, 14245497, 18993996, 28490994, 56981988]

約数ペア:

[(1, 56981988), (2, 28490994), (3, 18993996), (4, 14245497), (6, 9496998), (7, 8140284), (9, 6331332), (12, 4748499), (14, 4070142), (18, 3165666), (19, 2999052), (21, 2713428), (27, 2110444), (28, 2035071), (36, 1582833), (38, 1499526), (42, 1356714), (54, 1055222), (57, 999684), (63, 904476), (76, 749763), (84, 678357), (108, 527611), (114, 499842), (126, 452238), (133, 428436), (171, 333228), (189, 301492), (228, 249921), (252, 226119), (266, 214218), (342, 166614), (378, 150746), (399, 142812), (513, 111076), (532, 107109), (684, 83307), (756, 75373), (798, 71406), (1026, 55538), (1197, 47604), (1596, 35703), (2052, 27769), (2394, 23802), (3591, 15868), (3967, 14364), (4788, 11901), (7182, 7934)]