642492368

素因数分解:

$2^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{29723}}^1$

素因数の和:29931

約数の個数: 40

約数和(自身を含む): 1430081088

約数和(自身を除く): 787588720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 386, 772, 1351, 1544, 2702, 3088, 5404, 10808, 21616, 29723, 59446, 118892, 208061, 237784, 416122, 475568, 832244, 1664488, 3328976, 5736539, 11473078, 22946156, 40155773, 45892312, 80311546, 91784624, 160623092, 321246184, 642492368]

約数ペア:

[(1, 642492368), (2, 321246184), (4, 160623092), (7, 91784624), (8, 80311546), (14, 45892312), (16, 40155773), (28, 22946156), (56, 11473078), (112, 5736539), (193, 3328976), (386, 1664488), (772, 832244), (1351, 475568), (1544, 416122), (2702, 237784), (3088, 208061), (5404, 118892), (10808, 59446), (21616, 29723)]