257133344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 570802176

約数和(自身を除く): 313668832

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 127, 157, 208, 248, 254, 314, 403, 416, 496, 508, 628, 806, 992, 1016, 1256, 1612, 1651, 2032, 2041, 2512, 3224, 3302, 3937, 4064, 4082, 4867, 5024, 6448, 6604, 7874, 8164, 9734, 12896, 13208, 15748, 16328, 19468, 19939, 26416, 31496, 32656, 38936, 39878, 51181, 52832, 62992, 63271, 65312, 77872, 79756, 102362, 125984, 126542, 155744, 159512, 204724, 253084, 259207, 319024, 409448, 506168, 518414, 618109, 638048, 818896, 1012336, 1036828, 1236218, 1637792, 2024672, 2073656, 2472436, 4147312, 4944872, 8035417, 8294624, 9889744, 16070834, 19779488, 32141668, 64283336, 128566672, 257133344]

約数ペア:

[(1, 257133344), (2, 128566672), (4, 64283336), (8, 32141668), (13, 19779488), (16, 16070834), (26, 9889744), (31, 8294624), (32, 8035417), (52, 4944872), (62, 4147312), (104, 2472436), (124, 2073656), (127, 2024672), (157, 1637792), (208, 1236218), (248, 1036828), (254, 1012336), (314, 818896), (403, 638048), (416, 618109), (496, 518414), (508, 506168), (628, 409448), (806, 319024), (992, 259207), (1016, 253084), (1256, 204724), (1612, 159512), (1651, 155744), (2032, 126542), (2041, 125984), (2512, 102362), (3224, 79756), (3302, 77872), (3937, 65312), (4064, 63271), (4082, 62992), (4867, 52832), (5024, 51181), (6448, 39878), (6604, 38936), (7874, 32656), (8164, 31496), (9734, 26416), (12896, 19939), (13208, 19468), (15748, 16328)]