128777782

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 257402880

約数和(自身を除く): 128625098

約数列:

[1, 2, 7, 14, 19, 23, 31, 38, 46, 49, 62, 97, 98, 133, 161, 194, 217, 266, 322, 434, 437, 589, 679, 713, 874, 931, 1127, 1178, 1358, 1426, 1519, 1843, 1862, 2231, 2254, 3007, 3038, 3059, 3686, 4123, 4462, 4753, 4991, 6014, 6118, 8246, 9506, 9982, 12901, 13547, 15617, 21049, 21413, 25802, 27094, 28861, 31234, 34937, 42098, 42389, 42826, 57133, 57722, 69161, 69874, 84778, 90307, 94829, 109319, 114266, 138322, 147343, 180614, 189658, 218638, 294686, 296723, 399931, 484127, 593446, 663803, 799862, 968254, 1314059, 1327606, 2077061, 2628118, 2799517, 3388889, 4154122, 5599034, 6777778, 9198413, 18396826, 64388891, 128777782]

約数ペア:

[(1, 128777782), (2, 64388891), (7, 18396826), (14, 9198413), (19, 6777778), (23, 5599034), (31, 4154122), (38, 3388889), (46, 2799517), (49, 2628118), (62, 2077061), (97, 1327606), (98, 1314059), (133, 968254), (161, 799862), (194, 663803), (217, 593446), (266, 484127), (322, 399931), (434, 296723), (437, 294686), (589, 218638), (679, 189658), (713, 180614), (874, 147343), (931, 138322), (1127, 114266), (1178, 109319), (1358, 94829), (1426, 90307), (1519, 84778), (1843, 69874), (1862, 69161), (2231, 57722), (2254, 57133), (3007, 42826), (3038, 42389), (3059, 42098), (3686, 34937), (4123, 31234), (4462, 28861), (4753, 27094), (4991, 25802), (6014, 21413), (6118, 21049), (8246, 15617), (9506, 13547), (9982, 12901)]