1225985684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8109

約数の個数: 72

約数和(自身を含む): 2761335360

約数和(自身を除く): 1535349676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 781, 994, 1078, 1562, 1988, 2156, 3124, 3479, 5467, 6958, 8009, 10934, 13916, 16018, 21868, 32036, 38269, 56063, 76538, 88099, 112126, 153076, 176198, 224252, 352396, 392441, 568639, 616693, 784882, 1137278, 1233386, 1569764, 2274556, 2466772, 3980473, 4316851, 6255029, 7960946, 8633702, 12510058, 15921892, 17267404, 25020116, 27863311, 43785203, 55726622, 87570406, 111453244, 175140812, 306496421, 612992842, 1225985684]

約数ペア:

[(1, 1225985684), (2, 612992842), (4, 306496421), (7, 175140812), (11, 111453244), (14, 87570406), (22, 55726622), (28, 43785203), (44, 27863311), (49, 25020116), (71, 17267404), (77, 15921892), (98, 12510058), (142, 8633702), (154, 7960946), (196, 6255029), (284, 4316851), (308, 3980473), (497, 2466772), (539, 2274556), (781, 1569764), (994, 1233386), (1078, 1137278), (1562, 784882), (1988, 616693), (2156, 568639), (3124, 392441), (3479, 352396), (5467, 224252), (6958, 176198), (8009, 153076), (10934, 112126), (13916, 88099), (16018, 76538), (21868, 56063), (32036, 38269)]