394415673904

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{344273}}^1$

素因数の和:344534

約数の個数: 80

約数和(自身を含む): 894440377152

約数和(自身を除く): 500024703248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 193, 212, 371, 386, 424, 742, 772, 848, 1351, 1484, 1544, 2702, 2968, 3088, 5404, 5936, 10229, 10808, 20458, 21616, 40916, 71603, 81832, 143206, 163664, 286412, 344273, 572824, 688546, 1145648, 1377092, 2409911, 2754184, 4819822, 5508368, 9639644, 18246469, 19279288, 36492938, 38558576, 66444689, 72985876, 127725283, 132889378, 145971752, 255450566, 265778756, 291943504, 465112823, 510901132, 531557512, 930225646, 1021802264, 1063115024, 1860451292, 2043604528, 3521568517, 3720902584, 7043137034, 7441805168, 14086274068, 24650979619, 28172548136, 49301959238, 56345096272, 98603918476, 197207836952, 394415673904]

約数ペア:

[(1, 394415673904), (2, 197207836952), (4, 98603918476), (7, 56345096272), (8, 49301959238), (14, 28172548136), (16, 24650979619), (28, 14086274068), (53, 7441805168), (56, 7043137034), (106, 3720902584), (112, 3521568517), (193, 2043604528), (212, 1860451292), (371, 1063115024), (386, 1021802264), (424, 930225646), (742, 531557512), (772, 510901132), (848, 465112823), (1351, 291943504), (1484, 265778756), (1544, 255450566), (2702, 145971752), (2968, 132889378), (3088, 127725283), (5404, 72985876), (5936, 66444689), (10229, 38558576), (10808, 36492938), (20458, 19279288), (21616, 18246469), (40916, 9639644), (71603, 5508368), (81832, 4819822), (143206, 2754184), (163664, 2409911), (286412, 1377092), (344273, 1145648), (572824, 688546)]