638584272

素因数分解:

$2^4\times 3^2\times {\mathrm{499}}^1\times {\mathrm{8887}}^1$

素因数の和:9400

約数の個数: 60

約数和(自身を含む): 1790932000

約数和(自身を除く): 1152347728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 499, 998, 1497, 1996, 2994, 3992, 4491, 5988, 7984, 8887, 8982, 11976, 17774, 17964, 23952, 26661, 35548, 35928, 53322, 71096, 71856, 79983, 106644, 142192, 159966, 213288, 319932, 426576, 639864, 1279728, 4434613, 8869226, 13303839, 17738452, 26607678, 35476904, 39911517, 53215356, 70953808, 79823034, 106430712, 159646068, 212861424, 319292136, 638584272]

約数ペア:

[(1, 638584272), (2, 319292136), (3, 212861424), (4, 159646068), (6, 106430712), (8, 79823034), (9, 70953808), (12, 53215356), (16, 39911517), (18, 35476904), (24, 26607678), (36, 17738452), (48, 13303839), (72, 8869226), (144, 4434613), (499, 1279728), (998, 639864), (1497, 426576), (1996, 319932), (2994, 213288), (3992, 159966), (4491, 142192), (5988, 106644), (7984, 79983), (8887, 71856), (8982, 71096), (11976, 53322), (17774, 35928), (17964, 35548), (23952, 26661)]