428818208

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 144

約数和(自身を含む): 1072847160

約数和(自身を除く): 644028952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 109, 112, 182, 193, 196, 208, 218, 224, 364, 386, 392, 416, 436, 637, 728, 763, 772, 784, 872, 1274, 1351, 1417, 1456, 1526, 1544, 1568, 1744, 2509, 2548, 2702, 2834, 2912, 3052, 3088, 3488, 5018, 5096, 5341, 5404, 5668, 6104, 6176, 9457, 9919, 10036, 10192, 10682, 10808, 11336, 12208, 17563, 18914, 19838, 20072, 20384, 21037, 21364, 21616, 22672, 24416, 35126, 37828, 39676, 40144, 42074, 42728, 43232, 45344, 69433, 70252, 75656, 79352, 80288, 84148, 85456, 122941, 138866, 140504, 147259, 151312, 158704, 168296, 170912, 245882, 273481, 277732, 281008, 294518, 302624, 317408, 336592, 491764, 546962, 555464, 562016, 589036, 673184, 983528, 1030813, 1093924, 1110928, 1178072, 1914367, 1967056, 2061626, 2187848, 2221856, 2356144, 3828734, 3934112, 4123252, 4375696, 4712288, 7657468, 8246504, 8751392, 13400569, 15314936, 16493008, 26801138, 30629872, 32986016, 53602276, 61259744, 107204552, 214409104, 428818208]

約数ペア:

[(1, 428818208), (2, 214409104), (4, 107204552), (7, 61259744), (8, 53602276), (13, 32986016), (14, 30629872), (16, 26801138), (26, 16493008), (28, 15314936), (32, 13400569), (49, 8751392), (52, 8246504), (56, 7657468), (91, 4712288), (98, 4375696), (104, 4123252), (109, 3934112), (112, 3828734), (182, 2356144), (193, 2221856), (196, 2187848), (208, 2061626), (218, 1967056), (224, 1914367), (364, 1178072), (386, 1110928), (392, 1093924), (416, 1030813), (436, 983528), (637, 673184), (728, 589036), (763, 562016), (772, 555464), (784, 546962), (872, 491764), (1274, 336592), (1351, 317408), (1417, 302624), (1456, 294518), (1526, 281008), (1544, 277732), (1568, 273481), (1744, 245882), (2509, 170912), (2548, 168296), (2702, 158704), (2834, 151312), (2912, 147259), (3052, 140504), (3088, 138866), (3488, 122941), (5018, 85456), (5096, 84148), (5341, 80288), (5404, 79352), (5668, 75656), (6104, 70252), (6176, 69433), (9457, 45344), (9919, 43232), (10036, 42728), (10192, 42074), (10682, 40144), (10808, 39676), (11336, 37828), (12208, 35126), (17563, 24416), (18914, 22672), (19838, 21616), (20072, 21364), (20384, 21037)]