1640603643

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 2686387200

約数和(自身を除く): 1045783557

約数列:

[1, 3, 7, 21, 37, 41, 49, 111, 123, 147, 259, 287, 343, 777, 861, 1029, 1051, 1517, 1813, 2009, 3153, 4551, 5439, 6027, 7357, 10619, 12691, 14063, 22071, 31857, 38073, 38887, 42189, 43091, 51499, 74333, 116661, 129273, 154497, 222999, 272209, 301637, 360493, 520331, 816627, 904911, 1081479, 1560993, 1594367, 1905463, 2111459, 4783101, 5716389, 6334377, 11160569, 13338241, 14780213, 33481707, 40014723, 44340639, 78123983, 234371949, 546867881, 1640603643]

約数ペア:

[(1, 1640603643), (3, 546867881), (7, 234371949), (21, 78123983), (37, 44340639), (41, 40014723), (49, 33481707), (111, 14780213), (123, 13338241), (147, 11160569), (259, 6334377), (287, 5716389), (343, 4783101), (777, 2111459), (861, 1905463), (1029, 1594367), (1051, 1560993), (1517, 1081479), (1813, 904911), (2009, 816627), (3153, 520331), (4551, 360493), (5439, 301637), (6027, 272209), (7357, 222999), (10619, 154497), (12691, 129273), (14063, 116661), (22071, 74333), (31857, 51499), (38073, 43091), (38887, 42189)]