278558208

素因数分解:

$2^9\times 3^2\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1076

約数の個数: 120

約数和(自身を含む): 817941696

約数和(自身を除く): 539383488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 244, 256, 288, 366, 384, 488, 512, 549, 576, 732, 768, 976, 991, 1098, 1152, 1464, 1536, 1952, 1982, 2196, 2304, 2928, 2973, 3904, 3964, 4392, 4608, 5856, 5946, 7808, 7928, 8784, 8919, 11712, 11892, 15616, 15856, 17568, 17838, 23424, 23784, 31232, 31712, 35136, 35676, 46848, 47568, 60451, 63424, 70272, 71352, 93696, 95136, 120902, 126848, 140544, 142704, 181353, 190272, 241804, 253696, 281088, 285408, 362706, 380544, 483608, 507392, 544059, 570816, 725412, 761088, 967216, 1088118, 1141632, 1450824, 1522176, 1934432, 2176236, 2283264, 2901648, 3868864, 4352472, 4566528, 5803296, 7737728, 8704944, 11606592, 15475456, 17409888, 23213184, 30950912, 34819776, 46426368, 69639552, 92852736, 139279104, 278558208]

約数ペア:

[(1, 278558208), (2, 139279104), (3, 92852736), (4, 69639552), (6, 46426368), (8, 34819776), (9, 30950912), (12, 23213184), (16, 17409888), (18, 15475456), (24, 11606592), (32, 8704944), (36, 7737728), (48, 5803296), (61, 4566528), (64, 4352472), (72, 3868864), (96, 2901648), (122, 2283264), (128, 2176236), (144, 1934432), (183, 1522176), (192, 1450824), (244, 1141632), (256, 1088118), (288, 967216), (366, 761088), (384, 725412), (488, 570816), (512, 544059), (549, 507392), (576, 483608), (732, 380544), (768, 362706), (976, 285408), (991, 281088), (1098, 253696), (1152, 241804), (1464, 190272), (1536, 181353), (1952, 142704), (1982, 140544), (2196, 126848), (2304, 120902), (2928, 95136), (2973, 93696), (3904, 71352), (3964, 70272), (4392, 63424), (4608, 60451), (5856, 47568), (5946, 46848), (7808, 35676), (7928, 35136), (8784, 31712), (8919, 31232), (11712, 23784), (11892, 23424), (15616, 17838), (15856, 17568)]