128727872

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:117

約数の個数: 168

約数和(自身を含む): 338986368

約数和(自身を除く): 210258496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 31, 32, 46, 52, 56, 62, 64, 91, 92, 104, 112, 124, 161, 182, 184, 208, 217, 224, 248, 299, 322, 364, 368, 403, 416, 434, 448, 496, 598, 644, 713, 728, 736, 806, 832, 868, 961, 992, 1196, 1288, 1426, 1456, 1472, 1612, 1736, 1922, 1984, 2093, 2392, 2576, 2821, 2852, 2912, 3224, 3472, 3844, 4186, 4784, 4991, 5152, 5642, 5704, 5824, 6448, 6727, 6944, 7688, 8372, 9269, 9568, 9982, 10304, 11284, 11408, 12493, 12896, 13454, 13888, 15376, 16744, 18538, 19136, 19964, 22103, 22568, 22816, 24986, 25792, 26908, 30752, 33488, 37076, 39928, 44206, 45136, 45632, 49972, 53816, 61504, 64883, 66976, 74152, 79856, 87451, 88412, 90272, 99944, 107632, 129766, 133952, 148304, 154721, 159712, 174902, 176824, 180544, 199888, 215264, 259532, 287339, 296608, 309442, 319424, 349804, 353648, 399776, 430528, 519064, 574678, 593216, 618884, 699608, 707296, 799552, 1038128, 1149356, 1237768, 1399216, 1414592, 2011373, 2076256, 2298712, 2475536, 2798432, 4022746, 4152512, 4597424, 4951072, 5596864, 8045492, 9194848, 9902144, 16090984, 18389696, 32181968, 64363936, 128727872]

約数ペア:

[(1, 128727872), (2, 64363936), (4, 32181968), (7, 18389696), (8, 16090984), (13, 9902144), (14, 9194848), (16, 8045492), (23, 5596864), (26, 4951072), (28, 4597424), (31, 4152512), (32, 4022746), (46, 2798432), (52, 2475536), (56, 2298712), (62, 2076256), (64, 2011373), (91, 1414592), (92, 1399216), (104, 1237768), (112, 1149356), (124, 1038128), (161, 799552), (182, 707296), (184, 699608), (208, 618884), (217, 593216), (224, 574678), (248, 519064), (299, 430528), (322, 399776), (364, 353648), (368, 349804), (403, 319424), (416, 309442), (434, 296608), (448, 287339), (496, 259532), (598, 215264), (644, 199888), (713, 180544), (728, 176824), (736, 174902), (806, 159712), (832, 154721), (868, 148304), (961, 133952), (992, 129766), (1196, 107632), (1288, 99944), (1426, 90272), (1456, 88412), (1472, 87451), (1612, 79856), (1736, 74152), (1922, 66976), (1984, 64883), (2093, 61504), (2392, 53816), (2576, 49972), (2821, 45632), (2852, 45136), (2912, 44206), (3224, 39928), (3472, 37076), (3844, 33488), (4186, 30752), (4784, 26908), (4991, 25792), (5152, 24986), (5642, 22816), (5704, 22568), (5824, 22103), (6448, 19964), (6727, 19136), (6944, 18538), (7688, 16744), (8372, 15376), (9269, 13888), (9568, 13454), (9982, 12896), (10304, 12493), (11284, 11408)]