256247264

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{967}}^1$

素因数の和:1017

約数の個数: 108

約数和(自身を含む): 636124104

約数和(自身を除く): 379876840

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 169, 182, 196, 208, 224, 338, 364, 392, 416, 637, 676, 728, 784, 967, 1183, 1274, 1352, 1456, 1568, 1934, 2366, 2548, 2704, 2912, 3868, 4732, 5096, 5408, 6769, 7736, 8281, 9464, 10192, 12571, 13538, 15472, 16562, 18928, 20384, 25142, 27076, 30944, 33124, 37856, 47383, 50284, 54152, 66248, 87997, 94766, 100568, 108304, 132496, 163423, 175994, 189532, 201136, 216608, 264992, 326846, 351988, 379064, 402272, 615979, 653692, 703976, 758128, 1143961, 1231958, 1307384, 1407952, 1516256, 2287922, 2463916, 2614768, 2815904, 4575844, 4927832, 5229536, 8007727, 9151688, 9855664, 16015454, 18303376, 19711328, 32030908, 36606752, 64061816, 128123632, 256247264]

約数ペア:

[(1, 256247264), (2, 128123632), (4, 64061816), (7, 36606752), (8, 32030908), (13, 19711328), (14, 18303376), (16, 16015454), (26, 9855664), (28, 9151688), (32, 8007727), (49, 5229536), (52, 4927832), (56, 4575844), (91, 2815904), (98, 2614768), (104, 2463916), (112, 2287922), (169, 1516256), (182, 1407952), (196, 1307384), (208, 1231958), (224, 1143961), (338, 758128), (364, 703976), (392, 653692), (416, 615979), (637, 402272), (676, 379064), (728, 351988), (784, 326846), (967, 264992), (1183, 216608), (1274, 201136), (1352, 189532), (1456, 175994), (1568, 163423), (1934, 132496), (2366, 108304), (2548, 100568), (2704, 94766), (2912, 87997), (3868, 66248), (4732, 54152), (5096, 50284), (5408, 47383), (6769, 37856), (7736, 33124), (8281, 30944), (9464, 27076), (10192, 25142), (12571, 20384), (13538, 18928), (15472, 16562)]