1640744

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 3568320

約数和(自身を除く): 1927576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 353, 581, 664, 706, 1162, 1412, 2324, 2471, 2824, 4648, 4942, 9884, 19768, 29299, 58598, 117196, 205093, 234392, 410186, 820372, 1640744]

約数ペア:

[(1, 1640744), (2, 820372), (4, 410186), (7, 234392), (8, 205093), (14, 117196), (28, 58598), (56, 29299), (83, 19768), (166, 9884), (332, 4942), (353, 4648), (581, 2824), (664, 2471), (706, 2324), (1162, 1412)]