1394393

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 1915200

約数和(自身を除く): 520807

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 199, 539, 637, 1001, 1393, 2189, 2587, 7007, 9751, 15323, 18109, 28457, 107261, 126763, 199199, 1394393]

約数ペア:

[(1, 1394393), (7, 199199), (11, 126763), (13, 107261), (49, 28457), (77, 18109), (91, 15323), (143, 9751), (199, 7007), (539, 2587), (637, 2189), (1001, 1393)]