257751546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 611229696

約数和(自身を除く): 353478150

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 43, 62, 67, 74, 78, 86, 93, 111, 129, 134, 186, 201, 222, 258, 402, 403, 481, 559, 806, 871, 962, 1118, 1147, 1209, 1333, 1443, 1591, 1677, 1742, 2077, 2294, 2418, 2479, 2613, 2666, 2881, 2886, 3182, 3354, 3441, 3999, 4154, 4773, 4958, 5226, 5762, 6231, 6882, 7437, 7998, 8643, 9546, 12462, 14874, 14911, 17286, 17329, 20683, 27001, 29822, 32227, 34658, 37453, 41366, 44733, 49321, 51987, 54002, 62049, 64454, 74906, 76849, 81003, 89311, 89466, 96681, 98642, 103974, 106597, 112359, 124098, 147963, 153698, 162006, 178622, 193362, 213194, 224718, 230547, 267933, 295926, 319791, 461094, 535866, 639582, 641173, 999037, 1161043, 1282346, 1385761, 1923519, 1998074, 2322086, 2771522, 2997111, 3304507, 3483129, 3847038, 4157283, 5994222, 6609014, 6966258, 8314566, 9913521, 19827042, 42958591, 85917182, 128875773, 257751546]

約数ペア:

[(1, 257751546), (2, 128875773), (3, 85917182), (6, 42958591), (13, 19827042), (26, 9913521), (31, 8314566), (37, 6966258), (39, 6609014), (43, 5994222), (62, 4157283), (67, 3847038), (74, 3483129), (78, 3304507), (86, 2997111), (93, 2771522), (111, 2322086), (129, 1998074), (134, 1923519), (186, 1385761), (201, 1282346), (222, 1161043), (258, 999037), (402, 641173), (403, 639582), (481, 535866), (559, 461094), (806, 319791), (871, 295926), (962, 267933), (1118, 230547), (1147, 224718), (1209, 213194), (1333, 193362), (1443, 178622), (1591, 162006), (1677, 153698), (1742, 147963), (2077, 124098), (2294, 112359), (2418, 106597), (2479, 103974), (2613, 98642), (2666, 96681), (2881, 89466), (2886, 89311), (3182, 81003), (3354, 76849), (3441, 74906), (3999, 64454), (4154, 62049), (4773, 54002), (4958, 51987), (5226, 49321), (5762, 44733), (6231, 41366), (6882, 37453), (7437, 34658), (7998, 32227), (8643, 29822), (9546, 27001), (12462, 20683), (14874, 17329), (14911, 17286)]