251477408

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 632446920

約数和(自身を除く): 380969512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 73, 91, 98, 104, 112, 146, 169, 182, 196, 208, 224, 292, 338, 364, 392, 416, 511, 584, 637, 676, 728, 784, 949, 1022, 1168, 1183, 1274, 1352, 1456, 1568, 1898, 2044, 2197, 2336, 2366, 2548, 2704, 2912, 3577, 3796, 4088, 4394, 4732, 5096, 5408, 6643, 7154, 7592, 8176, 8281, 8788, 9464, 10192, 12337, 13286, 14308, 15184, 15379, 16352, 16562, 17576, 18928, 20384, 24674, 26572, 28616, 30368, 30758, 33124, 35152, 37856, 46501, 49348, 53144, 57232, 61516, 66248, 70304, 86359, 93002, 98696, 106288, 107653, 114464, 123032, 132496, 160381, 172718, 186004, 197392, 212576, 215306, 246064, 264992, 320762, 345436, 372008, 394784, 430612, 492128, 604513, 641524, 690872, 744016, 861224, 1122667, 1209026, 1283048, 1381744, 1488032, 1722448, 2245334, 2418052, 2566096, 2763488, 3444896, 4490668, 4836104, 5132192, 7858669, 8981336, 9672208, 15717338, 17962672, 19344416, 31434676, 35925344, 62869352, 125738704, 251477408]

約数ペア:

[(1, 251477408), (2, 125738704), (4, 62869352), (7, 35925344), (8, 31434676), (13, 19344416), (14, 17962672), (16, 15717338), (26, 9672208), (28, 8981336), (32, 7858669), (49, 5132192), (52, 4836104), (56, 4490668), (73, 3444896), (91, 2763488), (98, 2566096), (104, 2418052), (112, 2245334), (146, 1722448), (169, 1488032), (182, 1381744), (196, 1283048), (208, 1209026), (224, 1122667), (292, 861224), (338, 744016), (364, 690872), (392, 641524), (416, 604513), (511, 492128), (584, 430612), (637, 394784), (676, 372008), (728, 345436), (784, 320762), (949, 264992), (1022, 246064), (1168, 215306), (1183, 212576), (1274, 197392), (1352, 186004), (1456, 172718), (1568, 160381), (1898, 132496), (2044, 123032), (2197, 114464), (2336, 107653), (2366, 106288), (2548, 98696), (2704, 93002), (2912, 86359), (3577, 70304), (3796, 66248), (4088, 61516), (4394, 57232), (4732, 53144), (5096, 49348), (5408, 46501), (6643, 37856), (7154, 35152), (7592, 33124), (8176, 30758), (8281, 30368), (8788, 28616), (9464, 26572), (10192, 24674), (12337, 20384), (13286, 18928), (14308, 17576), (15184, 16562), (15379, 16352)]