281388488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{2153}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 577508940

約数和(自身を除く): 296120452

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 961, 1054, 1922, 2108, 2153, 3844, 4216, 4306, 7688, 8612, 16337, 17224, 32674, 36601, 65348, 66743, 73202, 130696, 133486, 146404, 266972, 292808, 533944, 1134631, 2069033, 2269262, 4138066, 4538524, 8276132, 9077048, 16552264, 35173561, 70347122, 140694244, 281388488]

約数ペア:

[(1, 281388488), (2, 140694244), (4, 70347122), (8, 35173561), (17, 16552264), (31, 9077048), (34, 8276132), (62, 4538524), (68, 4138066), (124, 2269262), (136, 2069033), (248, 1134631), (527, 533944), (961, 292808), (1054, 266972), (1922, 146404), (2108, 133486), (2153, 130696), (3844, 73202), (4216, 66743), (4306, 65348), (7688, 36601), (8612, 32674), (16337, 17224)]