1231465984

素因数分解:

$2^9\times 7^1\times {\mathrm{343601}}^1$

素因数の和:343626

約数の個数: 40

約数和(自身を含む): 2812038768

約数和(自身を除く): 1580572784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 343601, 687202, 1374404, 2405207, 2748808, 4810414, 5497616, 9620828, 10995232, 19241656, 21990464, 38483312, 43980928, 76966624, 87961856, 153933248, 175923712, 307866496, 615732992, 1231465984]

約数ペア:

[(1, 1231465984), (2, 615732992), (4, 307866496), (7, 175923712), (8, 153933248), (14, 87961856), (16, 76966624), (28, 43980928), (32, 38483312), (56, 21990464), (64, 19241656), (112, 10995232), (128, 9620828), (224, 5497616), (256, 4810414), (448, 2748808), (512, 2405207), (896, 1374404), (1792, 687202), (3584, 343601)]