251136704

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 168

約数和(自身を含む): 642567168

約数和(自身を除く): 391430464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 107, 112, 124, 169, 182, 208, 214, 217, 224, 248, 338, 364, 403, 416, 428, 434, 448, 496, 676, 728, 749, 806, 832, 856, 868, 992, 1183, 1352, 1391, 1456, 1498, 1612, 1712, 1736, 1984, 2366, 2704, 2782, 2821, 2912, 2996, 3224, 3317, 3424, 3472, 4732, 5239, 5408, 5564, 5642, 5824, 5992, 6448, 6634, 6848, 6944, 9464, 9737, 10478, 10816, 11128, 11284, 11984, 12896, 13268, 13888, 18083, 18928, 19474, 20956, 22256, 22568, 23219, 23968, 25792, 26536, 36166, 36673, 37856, 38948, 41912, 43121, 44512, 45136, 46438, 47936, 53072, 72332, 73346, 75712, 77896, 83824, 86242, 89024, 90272, 92876, 106144, 126581, 144664, 146692, 155792, 167648, 172484, 180544, 185752, 212288, 253162, 289328, 293384, 301847, 311584, 335296, 344968, 371504, 506324, 560573, 578656, 586768, 603694, 623168, 689936, 743008, 1012648, 1121146, 1157312, 1173536, 1207388, 1379872, 1486016, 2025296, 2242292, 2347072, 2414776, 2759744, 3924011, 4050592, 4484584, 4829552, 7848022, 8101184, 8969168, 9659104, 15696044, 17938336, 19318208, 31392088, 35876672, 62784176, 125568352, 251136704]

約数ペア:

[(1, 251136704), (2, 125568352), (4, 62784176), (7, 35876672), (8, 31392088), (13, 19318208), (14, 17938336), (16, 15696044), (26, 9659104), (28, 8969168), (31, 8101184), (32, 7848022), (52, 4829552), (56, 4484584), (62, 4050592), (64, 3924011), (91, 2759744), (104, 2414776), (107, 2347072), (112, 2242292), (124, 2025296), (169, 1486016), (182, 1379872), (208, 1207388), (214, 1173536), (217, 1157312), (224, 1121146), (248, 1012648), (338, 743008), (364, 689936), (403, 623168), (416, 603694), (428, 586768), (434, 578656), (448, 560573), (496, 506324), (676, 371504), (728, 344968), (749, 335296), (806, 311584), (832, 301847), (856, 293384), (868, 289328), (992, 253162), (1183, 212288), (1352, 185752), (1391, 180544), (1456, 172484), (1498, 167648), (1612, 155792), (1712, 146692), (1736, 144664), (1984, 126581), (2366, 106144), (2704, 92876), (2782, 90272), (2821, 89024), (2912, 86242), (2996, 83824), (3224, 77896), (3317, 75712), (3424, 73346), (3472, 72332), (4732, 53072), (5239, 47936), (5408, 46438), (5564, 45136), (5642, 44512), (5824, 43121), (5992, 41912), (6448, 38948), (6634, 37856), (6848, 36673), (6944, 36166), (9464, 26536), (9737, 25792), (10478, 23968), (10816, 23219), (11128, 22568), (11284, 22256), (11984, 20956), (12896, 19474), (13268, 18928), (13888, 18083)]