331948288

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2703

約数の個数: 72

約数和(自身を含む): 768216960

約数和(自身を除く): 436268672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1136, 1792, 1988, 2272, 2609, 3976, 4544, 5218, 7952, 9088, 10436, 15904, 18176, 18263, 20872, 31808, 36526, 41744, 63616, 73052, 83488, 127232, 146104, 166976, 185239, 292208, 333952, 370478, 584416, 667904, 740956, 1168832, 1296673, 1481912, 2337664, 2593346, 2963824, 4675328, 5186692, 5927648, 10373384, 11855296, 20746768, 23710592, 41493536, 47421184, 82987072, 165974144, 331948288]

約数ペア:

[(1, 331948288), (2, 165974144), (4, 82987072), (7, 47421184), (8, 41493536), (14, 23710592), (16, 20746768), (28, 11855296), (32, 10373384), (56, 5927648), (64, 5186692), (71, 4675328), (112, 2963824), (128, 2593346), (142, 2337664), (224, 1481912), (256, 1296673), (284, 1168832), (448, 740956), (497, 667904), (568, 584416), (896, 370478), (994, 333952), (1136, 292208), (1792, 185239), (1988, 166976), (2272, 146104), (2609, 127232), (3976, 83488), (4544, 73052), (5218, 63616), (7952, 41744), (9088, 36526), (10436, 31808), (15904, 20872), (18176, 18263)]