221684596

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 461504512

約数和(自身を除く): 239819916

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 868, 889, 1778, 2011, 3556, 3937, 4022, 7874, 8044, 14077, 15748, 27559, 28154, 55118, 56308, 62341, 110236, 124682, 249364, 255397, 436387, 510794, 872774, 1021588, 1745548, 1787779, 3575558, 7151116, 7917307, 15834614, 31669228, 55421149, 110842298, 221684596]

約数ペア:

[(1, 221684596), (2, 110842298), (4, 55421149), (7, 31669228), (14, 15834614), (28, 7917307), (31, 7151116), (62, 3575558), (124, 1787779), (127, 1745548), (217, 1021588), (254, 872774), (434, 510794), (508, 436387), (868, 255397), (889, 249364), (1778, 124682), (2011, 110236), (3556, 62341), (3937, 56308), (4022, 55118), (7874, 28154), (8044, 27559), (14077, 15748)]