281508708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 717523968

約数和(自身を除く): 436015260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 169, 254, 338, 381, 507, 508, 676, 762, 1014, 1093, 1524, 1651, 2028, 2186, 3279, 3302, 4372, 4953, 6558, 6604, 9906, 13116, 14209, 19812, 21463, 28418, 42627, 42926, 56836, 64389, 85254, 85852, 128778, 138811, 170508, 184717, 257556, 277622, 369434, 416433, 554151, 555244, 738868, 832866, 1108302, 1665732, 1804543, 2216604, 3609086, 5413629, 7218172, 10827258, 21654516, 23459059, 46918118, 70377177, 93836236, 140754354, 281508708]

約数ペア:

[(1, 281508708), (2, 140754354), (3, 93836236), (4, 70377177), (6, 46918118), (12, 23459059), (13, 21654516), (26, 10827258), (39, 7218172), (52, 5413629), (78, 3609086), (127, 2216604), (156, 1804543), (169, 1665732), (254, 1108302), (338, 832866), (381, 738868), (507, 555244), (508, 554151), (676, 416433), (762, 369434), (1014, 277622), (1093, 257556), (1524, 184717), (1651, 170508), (2028, 138811), (2186, 128778), (3279, 85852), (3302, 85254), (4372, 64389), (4953, 56836), (6558, 42926), (6604, 42627), (9906, 28418), (13116, 21463), (14209, 19812)]