287700812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1129}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 607488000

約数和(自身を除く): 319787188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 479, 532, 958, 1129, 1916, 2258, 3353, 4516, 6706, 7903, 9101, 13412, 15806, 18202, 21451, 31612, 36404, 42902, 63707, 85804, 127414, 150157, 254828, 300314, 540791, 600628, 1081582, 2163164, 3785537, 7571074, 10275029, 15142148, 20550058, 41100116, 71925203, 143850406, 287700812]

約数ペア:

[(1, 287700812), (2, 143850406), (4, 71925203), (7, 41100116), (14, 20550058), (19, 15142148), (28, 10275029), (38, 7571074), (76, 3785537), (133, 2163164), (266, 1081582), (479, 600628), (532, 540791), (958, 300314), (1129, 254828), (1916, 150157), (2258, 127414), (3353, 85804), (4516, 63707), (6706, 42902), (7903, 36404), (9101, 31612), (13412, 21451), (15806, 18202)]