201971605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 271537920

約数和(自身を除く): 69566315

約数列:

[1, 5, 11, 53, 55, 193, 265, 359, 583, 965, 1795, 2123, 2915, 3949, 10229, 10615, 19027, 19745, 51145, 69287, 95135, 112519, 209297, 346435, 562595, 762157, 1046485, 3672211, 3810785, 18361055, 40394321, 201971605]

約数ペア:

[(1, 201971605), (5, 40394321), (11, 18361055), (53, 3810785), (55, 3672211), (193, 1046485), (265, 762157), (359, 562595), (583, 346435), (965, 209297), (1795, 112519), (2123, 95135), (2915, 69287), (3949, 51145), (10229, 19745), (10615, 19027)]