257307232

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{971}}^1$

素因数の和:1021

約数の個数: 108

約数和(自身を含む): 638752716

約数和(自身を除く): 381445484

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, 971, 1183, 1274, 1352, 1456, 1568, 1942, 2366, 2548, 2704, 2912, 3884, 4732, 5096, 5408, 6797, 7768, 8281, 9464, 10192, 12623, 13594, 15536, 16562, 18928, 20384, 25246, 27188, 31072, 33124, 37856, 47579, 50492, 54376, 66248, 88361, 95158, 100984, 108752, 132496, 164099, 176722, 190316, 201968, 217504, 264992, 328198, 353444, 380632, 403936, 618527, 656396, 706888, 761264, 1148693, 1237054, 1312792, 1413776, 1522528, 2297386, 2474108, 2625584, 2827552, 4594772, 4948216, 5251168, 8040851, 9189544, 9896432, 16081702, 18379088, 19792864, 32163404, 36758176, 64326808, 128653616, 257307232]

約数ペア:

[(1, 257307232), (2, 128653616), (4, 64326808), (7, 36758176), (8, 32163404), (13, 19792864), (14, 18379088), (16, 16081702), (26, 9896432), (28, 9189544), (32, 8040851), (49, 5251168), (52, 4948216), (56, 4594772), (91, 2827552), (98, 2625584), (104, 2474108), (112, 2297386), (169, 1522528), (182, 1413776), (196, 1312792), (208, 1237054), (224, 1148693), (338, 761264), (364, 706888), (392, 656396), (416, 618527), (637, 403936), (676, 380632), (728, 353444), (784, 328198), (971, 264992), (1183, 217504), (1274, 201968), (1352, 190316), (1456, 176722), (1568, 164099), (1942, 132496), (2366, 108752), (2548, 100984), (2704, 95158), (2912, 88361), (3884, 66248), (4732, 54376), (5096, 50492), (5408, 47579), (6797, 37856), (7768, 33124), (8281, 31072), (9464, 27188), (10192, 25246), (12623, 20384), (13594, 18928), (15536, 16562)]