254464

素因数分解:

$2^9\times 7^1\times {\mathrm{71}}^1$

素因数の和:96

約数の個数: 40

約数和(自身を含む): 589248

約数和(自身を除く): 334784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 512, 568, 896, 994, 1136, 1792, 1988, 2272, 3584, 3976, 4544, 7952, 9088, 15904, 18176, 31808, 36352, 63616, 127232, 254464]

約数ペア:

[(1, 254464), (2, 127232), (4, 63616), (7, 36352), (8, 31808), (14, 18176), (16, 15904), (28, 9088), (32, 7952), (56, 4544), (64, 3976), (71, 3584), (112, 2272), (128, 1988), (142, 1792), (224, 1136), (256, 994), (284, 896), (448, 568), (497, 512)]