491794576

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:769

約数の個数: 120

約数和(自身を含む): 1211865144

約数和(自身を除く): 720070568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 73, 91, 98, 104, 112, 146, 182, 196, 208, 292, 364, 392, 511, 584, 637, 661, 728, 784, 949, 1022, 1168, 1274, 1322, 1456, 1898, 2044, 2548, 2644, 3577, 3796, 4088, 4627, 5096, 5288, 6643, 7154, 7592, 8176, 8593, 9254, 10192, 10576, 13286, 14308, 15184, 17186, 18508, 26572, 28616, 32389, 34372, 37016, 46501, 48253, 53144, 57232, 60151, 64778, 68744, 74032, 93002, 96506, 106288, 120302, 129556, 137488, 186004, 193012, 240604, 259112, 337771, 372008, 386024, 421057, 481208, 518224, 627289, 675542, 744016, 772048, 842114, 962416, 1254578, 1351084, 1684228, 2364397, 2509156, 2702168, 3368456, 4391023, 4728794, 5018312, 5404336, 6736912, 8782046, 9457588, 10036624, 17564092, 18915176, 30737161, 35128184, 37830352, 61474322, 70256368, 122948644, 245897288, 491794576]

約数ペア:

[(1, 491794576), (2, 245897288), (4, 122948644), (7, 70256368), (8, 61474322), (13, 37830352), (14, 35128184), (16, 30737161), (26, 18915176), (28, 17564092), (49, 10036624), (52, 9457588), (56, 8782046), (73, 6736912), (91, 5404336), (98, 5018312), (104, 4728794), (112, 4391023), (146, 3368456), (182, 2702168), (196, 2509156), (208, 2364397), (292, 1684228), (364, 1351084), (392, 1254578), (511, 962416), (584, 842114), (637, 772048), (661, 744016), (728, 675542), (784, 627289), (949, 518224), (1022, 481208), (1168, 421057), (1274, 386024), (1322, 372008), (1456, 337771), (1898, 259112), (2044, 240604), (2548, 193012), (2644, 186004), (3577, 137488), (3796, 129556), (4088, 120302), (4627, 106288), (5096, 96506), (5288, 93002), (6643, 74032), (7154, 68744), (7592, 64778), (8176, 60151), (8593, 57232), (9254, 53144), (10192, 48253), (10576, 46501), (13286, 37016), (14308, 34372), (15184, 32389), (17186, 28616), (18508, 26572)]