389670728

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{2549}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 742203000

約数和(自身を除く): 352532272

約数列:

[1, 2, 4, 8, 97, 194, 197, 388, 394, 776, 788, 1576, 2549, 5098, 10196, 19109, 20392, 38218, 76436, 152872, 247253, 494506, 502153, 989012, 1004306, 1978024, 2008612, 4017224, 48708841, 97417682, 194835364, 389670728]

約数ペア:

[(1, 389670728), (2, 194835364), (4, 97417682), (8, 48708841), (97, 4017224), (194, 2008612), (197, 1978024), (388, 1004306), (394, 989012), (776, 502153), (788, 494506), (1576, 247253), (2549, 152872), (5098, 76436), (10196, 38218), (19109, 20392)]