12810028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 29792000

約数和(自身を除く): 16981972

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 199, 209, 242, 266, 308, 398, 418, 484, 532, 796, 836, 847, 1393, 1463, 1694, 2189, 2299, 2786, 2926, 3388, 3781, 4378, 4598, 5572, 5852, 7562, 8756, 9196, 15124, 15323, 16093, 24079, 26467, 30646, 32186, 41591, 48158, 52934, 61292, 64372, 83182, 96316, 105868, 166364, 168553, 291137, 337106, 457501, 582274, 674212, 915002, 1164548, 1830004, 3202507, 6405014, 12810028]

約数ペア:

[(1, 12810028), (2, 6405014), (4, 3202507), (7, 1830004), (11, 1164548), (14, 915002), (19, 674212), (22, 582274), (28, 457501), (38, 337106), (44, 291137), (76, 168553), (77, 166364), (121, 105868), (133, 96316), (154, 83182), (199, 64372), (209, 61292), (242, 52934), (266, 48158), (308, 41591), (398, 32186), (418, 30646), (484, 26467), (532, 24079), (796, 16093), (836, 15323), (847, 15124), (1393, 9196), (1463, 8756), (1694, 7562), (2189, 5852), (2299, 5572), (2786, 4598), (2926, 4378), (3388, 3781)]