1998388

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 4032000

約数和(自身を除く): 2033612

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 479, 596, 958, 1043, 1916, 2086, 3353, 4172, 6706, 13412, 71371, 142742, 285484, 499597, 999194, 1998388]

約数ペア:

[(1, 1998388), (2, 999194), (4, 499597), (7, 285484), (14, 142742), (28, 71371), (149, 13412), (298, 6706), (479, 4172), (596, 3353), (958, 2086), (1043, 1916)]