251059328

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 560111580

約数和(自身を除く): 309052252

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 157, 208, 248, 314, 403, 416, 496, 628, 806, 832, 961, 992, 1256, 1612, 1664, 1922, 1984, 2041, 2512, 3224, 3844, 3968, 4082, 4867, 5024, 6448, 7688, 8164, 9734, 10048, 12493, 12896, 15376, 16328, 19468, 20096, 24986, 25792, 30752, 32656, 38936, 49972, 51584, 61504, 63271, 65312, 77872, 99944, 123008, 126542, 130624, 150877, 155744, 199888, 253084, 261248, 301754, 311488, 399776, 506168, 603508, 622976, 799552, 1012336, 1207016, 1599104, 1961401, 2024672, 2414032, 3922802, 4049344, 4828064, 7845604, 8098688, 9656128, 15691208, 19312256, 31382416, 62764832, 125529664, 251059328]

約数ペア:

[(1, 251059328), (2, 125529664), (4, 62764832), (8, 31382416), (13, 19312256), (16, 15691208), (26, 9656128), (31, 8098688), (32, 7845604), (52, 4828064), (62, 4049344), (64, 3922802), (104, 2414032), (124, 2024672), (128, 1961401), (157, 1599104), (208, 1207016), (248, 1012336), (314, 799552), (403, 622976), (416, 603508), (496, 506168), (628, 399776), (806, 311488), (832, 301754), (961, 261248), (992, 253084), (1256, 199888), (1612, 155744), (1664, 150877), (1922, 130624), (1984, 126542), (2041, 123008), (2512, 99944), (3224, 77872), (3844, 65312), (3968, 63271), (4082, 61504), (4867, 51584), (5024, 49972), (6448, 38936), (7688, 32656), (8164, 30752), (9734, 25792), (10048, 24986), (12493, 20096), (12896, 19468), (15376, 16328)]