257211216

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:569

約数の個数: 120

約数和(自身を含む): 749825024

約数和(自身を除く): 492613808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 157, 186, 248, 279, 314, 367, 372, 471, 496, 558, 628, 734, 744, 942, 1101, 1116, 1256, 1413, 1468, 1488, 1884, 2202, 2232, 2512, 2826, 2936, 3303, 3768, 4404, 4464, 4867, 5652, 5872, 6606, 7536, 8808, 9734, 11304, 11377, 13212, 14601, 17616, 19468, 22608, 22754, 26424, 29202, 34131, 38936, 43803, 45508, 52848, 57619, 58404, 68262, 77872, 87606, 91016, 102393, 115238, 116808, 136524, 172857, 175212, 182032, 204786, 230476, 233616, 273048, 345714, 350424, 409572, 460952, 518571, 546096, 691428, 700848, 819144, 921904, 1037142, 1382856, 1638288, 1786189, 2074284, 2765712, 3572378, 4148568, 5358567, 7144756, 8297136, 10717134, 14289512, 16075701, 21434268, 28579024, 32151402, 42868536, 64302804, 85737072, 128605608, 257211216]

約数ペア:

[(1, 257211216), (2, 128605608), (3, 85737072), (4, 64302804), (6, 42868536), (8, 32151402), (9, 28579024), (12, 21434268), (16, 16075701), (18, 14289512), (24, 10717134), (31, 8297136), (36, 7144756), (48, 5358567), (62, 4148568), (72, 3572378), (93, 2765712), (124, 2074284), (144, 1786189), (157, 1638288), (186, 1382856), (248, 1037142), (279, 921904), (314, 819144), (367, 700848), (372, 691428), (471, 546096), (496, 518571), (558, 460952), (628, 409572), (734, 350424), (744, 345714), (942, 273048), (1101, 233616), (1116, 230476), (1256, 204786), (1413, 182032), (1468, 175212), (1488, 172857), (1884, 136524), (2202, 116808), (2232, 115238), (2512, 102393), (2826, 91016), (2936, 87606), (3303, 77872), (3768, 68262), (4404, 58404), (4464, 57619), (4867, 52848), (5652, 45508), (5872, 43803), (6606, 38936), (7536, 34131), (8808, 29202), (9734, 26424), (11304, 22754), (11377, 22608), (13212, 19468), (14601, 17616)]