257243532

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 763896672

約数和(自身を除く): 506653140

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 73, 78, 84, 91, 98, 146, 147, 156, 182, 196, 219, 273, 292, 294, 364, 438, 461, 511, 546, 588, 637, 876, 922, 949, 1022, 1092, 1274, 1383, 1533, 1844, 1898, 1911, 2044, 2548, 2766, 2847, 3066, 3227, 3577, 3796, 3822, 5532, 5694, 5993, 6132, 6454, 6643, 7154, 7644, 9681, 10731, 11388, 11986, 12908, 13286, 14308, 17979, 19362, 19929, 21462, 22589, 23972, 26572, 33653, 35958, 38724, 39858, 41951, 42924, 45178, 46501, 67306, 67767, 71916, 79716, 83902, 90356, 93002, 100959, 125853, 134612, 135534, 139503, 167804, 186004, 201918, 235571, 251706, 271068, 279006, 293657, 403836, 437489, 471142, 503412, 558012, 587314, 706713, 874978, 880971, 942284, 1174628, 1312467, 1413426, 1648997, 1749956, 1761942, 2624934, 2826852, 3062423, 3297994, 3523884, 4946991, 5249868, 6124846, 6595988, 9187269, 9893982, 12249692, 18374538, 19787964, 21436961, 36749076, 42873922, 64310883, 85747844, 128621766, 257243532]

約数ペア:

[(1, 257243532), (2, 128621766), (3, 85747844), (4, 64310883), (6, 42873922), (7, 36749076), (12, 21436961), (13, 19787964), (14, 18374538), (21, 12249692), (26, 9893982), (28, 9187269), (39, 6595988), (42, 6124846), (49, 5249868), (52, 4946991), (73, 3523884), (78, 3297994), (84, 3062423), (91, 2826852), (98, 2624934), (146, 1761942), (147, 1749956), (156, 1648997), (182, 1413426), (196, 1312467), (219, 1174628), (273, 942284), (292, 880971), (294, 874978), (364, 706713), (438, 587314), (461, 558012), (511, 503412), (546, 471142), (588, 437489), (637, 403836), (876, 293657), (922, 279006), (949, 271068), (1022, 251706), (1092, 235571), (1274, 201918), (1383, 186004), (1533, 167804), (1844, 139503), (1898, 135534), (1911, 134612), (2044, 125853), (2548, 100959), (2766, 93002), (2847, 90356), (3066, 83902), (3227, 79716), (3577, 71916), (3796, 67767), (3822, 67306), (5532, 46501), (5694, 45178), (5993, 42924), (6132, 41951), (6454, 39858), (6643, 38724), (7154, 35958), (7644, 33653), (9681, 26572), (10731, 23972), (11388, 22589), (11986, 21462), (12908, 19929), (13286, 19362), (14308, 17979)]