820694

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 24

約数和(自身を含む): 1477584

約数和(自身を除く): 656890

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 854, 961, 1891, 1922, 3782, 6727, 13237, 13454, 26474, 58621, 117242, 410347, 820694]

約数ペア:

[(1, 820694), (2, 410347), (7, 117242), (14, 58621), (31, 26474), (61, 13454), (62, 13237), (122, 6727), (217, 3782), (427, 1922), (434, 1891), (854, 961)]