1997447984

素因数分解:

$2^4\times 7^1\times {\mathrm{971}}^1\times {\mathrm{18367}}^1$

素因数の和:19353

約数の個数: 40

約数和(自身を含む): 4427716608

約数和(自身を除く): 2430268624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 971, 1942, 3884, 6797, 7768, 13594, 15536, 18367, 27188, 36734, 54376, 73468, 108752, 128569, 146936, 257138, 293872, 514276, 1028552, 2057104, 17834357, 35668714, 71337428, 124840499, 142674856, 249680998, 285349712, 499361996, 998723992, 1997447984]

約数ペア:

[(1, 1997447984), (2, 998723992), (4, 499361996), (7, 285349712), (8, 249680998), (14, 142674856), (16, 124840499), (28, 71337428), (56, 35668714), (112, 17834357), (971, 2057104), (1942, 1028552), (3884, 514276), (6797, 293872), (7768, 257138), (13594, 146936), (15536, 128569), (18367, 108752), (27188, 73468), (36734, 54376)]