813961192

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{20509}}^1$

素因数の和:20578

約数の個数: 48

約数和(自身を含む): 1718532900

約数和(自身を除く): 904571708

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 902, 968, 1804, 3608, 4961, 9922, 19844, 20509, 39688, 41018, 82036, 164072, 225599, 451198, 840869, 902396, 1681738, 1804792, 2481589, 3363476, 4963178, 6726952, 9249559, 9926356, 18499118, 19852712, 36998236, 73996472, 101745149, 203490298, 406980596, 813961192]

約数ペア:

[(1, 813961192), (2, 406980596), (4, 203490298), (8, 101745149), (11, 73996472), (22, 36998236), (41, 19852712), (44, 18499118), (82, 9926356), (88, 9249559), (121, 6726952), (164, 4963178), (242, 3363476), (328, 2481589), (451, 1804792), (484, 1681738), (902, 902396), (968, 840869), (1804, 451198), (3608, 225599), (4961, 164072), (9922, 82036), (19844, 41018), (20509, 39688)]