257040888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 702720000

約数和(自身を除く): 445679112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 169, 254, 312, 338, 381, 499, 507, 508, 676, 762, 998, 1014, 1016, 1352, 1497, 1524, 1651, 1996, 2028, 2994, 3048, 3302, 3992, 4056, 4953, 5988, 6487, 6604, 9906, 11976, 12974, 13208, 19461, 19812, 21463, 25948, 38922, 39624, 42926, 51896, 63373, 64389, 77844, 84331, 85852, 126746, 128778, 155688, 168662, 171704, 190119, 252993, 253492, 257556, 337324, 380238, 505986, 506984, 515112, 674648, 760476, 823849, 1011972, 1520952, 1647698, 2023944, 2471547, 3295396, 4943094, 6590792, 9886188, 10710037, 19772376, 21420074, 32130111, 42840148, 64260222, 85680296, 128520444, 257040888]

約数ペア:

[(1, 257040888), (2, 128520444), (3, 85680296), (4, 64260222), (6, 42840148), (8, 32130111), (12, 21420074), (13, 19772376), (24, 10710037), (26, 9886188), (39, 6590792), (52, 4943094), (78, 3295396), (104, 2471547), (127, 2023944), (156, 1647698), (169, 1520952), (254, 1011972), (312, 823849), (338, 760476), (381, 674648), (499, 515112), (507, 506984), (508, 505986), (676, 380238), (762, 337324), (998, 257556), (1014, 253492), (1016, 252993), (1352, 190119), (1497, 171704), (1524, 168662), (1651, 155688), (1996, 128778), (2028, 126746), (2994, 85852), (3048, 84331), (3302, 77844), (3992, 64389), (4056, 63373), (4953, 51896), (5988, 42926), (6487, 39624), (6604, 38922), (9906, 25948), (11976, 21463), (12974, 19812), (13208, 19461)]