78439496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{857}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 156138840

約数和(自身を除く): 77699344

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 673, 857, 1346, 1714, 2692, 3428, 5384, 6856, 11441, 14569, 22882, 29138, 45764, 58276, 91528, 116552, 576761, 1153522, 2307044, 4614088, 9804937, 19609874, 39219748, 78439496]

約数ペア:

[(1, 78439496), (2, 39219748), (4, 19609874), (8, 9804937), (17, 4614088), (34, 2307044), (68, 1153522), (136, 576761), (673, 116552), (857, 91528), (1346, 58276), (1714, 45764), (2692, 29138), (3428, 22882), (5384, 14569), (6856, 11441)]