425838721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2897}}^1$

素因数の和:3021

約数の個数: 32

約数和(自身を含む): 560867328

約数和(自身を除く): 135028607

約数列:

[1, 7, 11, 23, 77, 83, 161, 253, 581, 913, 1771, 1909, 2897, 6391, 13363, 20279, 20999, 31867, 66631, 146993, 223069, 240451, 466417, 732941, 1683157, 2644961, 5130587, 5530373, 18514727, 38712611, 60834103, 425838721]

約数ペア:

[(1, 425838721), (7, 60834103), (11, 38712611), (23, 18514727), (77, 5530373), (83, 5130587), (161, 2644961), (253, 1683157), (581, 732941), (913, 466417), (1771, 240451), (1909, 223069), (2897, 146993), (6391, 66631), (13363, 31867), (20279, 20999)]