209881188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{859}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 580376160

約数和(自身を除く): 370494972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 617, 859, 1234, 1718, 1851, 2468, 2577, 3436, 3702, 5154, 5553, 6787, 7404, 7731, 9449, 10308, 11106, 13574, 15462, 18898, 20361, 22212, 27148, 28347, 30924, 37796, 40722, 56694, 61083, 81444, 85041, 113388, 122166, 170082, 244332, 340164, 530003, 1060006, 1590009, 2120012, 3180018, 4770027, 5830033, 6360036, 9540054, 11660066, 17490099, 19080108, 23320132, 34980198, 52470297, 69960396, 104940594, 209881188]

約数ペア:

[(1, 209881188), (2, 104940594), (3, 69960396), (4, 52470297), (6, 34980198), (9, 23320132), (11, 19080108), (12, 17490099), (18, 11660066), (22, 9540054), (33, 6360036), (36, 5830033), (44, 4770027), (66, 3180018), (99, 2120012), (132, 1590009), (198, 1060006), (396, 530003), (617, 340164), (859, 244332), (1234, 170082), (1718, 122166), (1851, 113388), (2468, 85041), (2577, 81444), (3436, 61083), (3702, 56694), (5154, 40722), (5553, 37796), (6787, 30924), (7404, 28347), (7731, 27148), (9449, 22212), (10308, 20361), (11106, 18898), (13574, 15462)]