2019954391

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 2813045760

約数和(自身を除く): 793091369

約数列:

[1, 7, 13, 19, 47, 49, 53, 67, 91, 133, 247, 329, 371, 469, 611, 637, 689, 871, 893, 931, 1007, 1273, 1729, 2303, 2491, 2597, 3149, 3283, 3551, 4277, 4823, 6097, 6251, 7049, 8911, 11609, 12103, 13091, 16549, 17437, 22043, 24857, 29939, 32383, 33761, 40937, 42679, 43757, 46163, 47329, 49343, 59831, 62377, 67469, 81263, 91637, 115843, 122059, 154301, 166897, 173999, 226681, 286559, 323141, 331303, 418817, 472283, 568841, 615277, 641459, 777803, 810901, 877097, 1168279, 1586767, 2005913, 2169661, 2261987, 2319121, 2931719, 3171043, 3305981, 4306939, 5444621, 6139679, 8177953, 15187627, 22197301, 30148573, 38112347, 41223559, 42977753, 106313389, 155381107, 288564913, 2019954391]

約数ペア:

[(1, 2019954391), (7, 288564913), (13, 155381107), (19, 106313389), (47, 42977753), (49, 41223559), (53, 38112347), (67, 30148573), (91, 22197301), (133, 15187627), (247, 8177953), (329, 6139679), (371, 5444621), (469, 4306939), (611, 3305981), (637, 3171043), (689, 2931719), (871, 2319121), (893, 2261987), (931, 2169661), (1007, 2005913), (1273, 1586767), (1729, 1168279), (2303, 877097), (2491, 810901), (2597, 777803), (3149, 641459), (3283, 615277), (3551, 568841), (4277, 472283), (4823, 418817), (6097, 331303), (6251, 323141), (7049, 286559), (8911, 226681), (11609, 173999), (12103, 166897), (13091, 154301), (16549, 122059), (17437, 115843), (22043, 91637), (24857, 81263), (29939, 67469), (32383, 62377), (33761, 59831), (40937, 49343), (42679, 47329), (43757, 46163)]