639482116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1756819}}^1$

素因数の和:1756843

約数の個数: 24

約数和(自身を含む): 1377346880

約数和(自身を除く): 737864764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1756819, 3513638, 7027276, 12297733, 22838647, 24595466, 45677294, 49190932, 91354588, 159870529, 319741058, 639482116]

約数ペア:

[(1, 639482116), (2, 319741058), (4, 159870529), (7, 91354588), (13, 49190932), (14, 45677294), (26, 24595466), (28, 22838647), (52, 12297733), (91, 7027276), (182, 3513638), (364, 1756819)]