81446065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 118195200

約数和(自身を除く): 36749135

約数列:

[1, 5, 17, 19, 29, 37, 47, 85, 95, 145, 185, 235, 323, 493, 551, 629, 703, 799, 893, 1073, 1363, 1615, 1739, 2465, 2755, 3145, 3515, 3995, 4465, 5365, 6815, 8695, 9367, 11951, 15181, 18241, 20387, 23171, 25897, 29563, 33041, 46835, 50431, 59755, 75905, 91205, 101935, 115855, 129485, 147815, 165205, 252155, 346579, 440249, 561697, 857327, 958189, 1732895, 2201245, 2808485, 4286635, 4790945, 16289213, 81446065]

約数ペア:

[(1, 81446065), (5, 16289213), (17, 4790945), (19, 4286635), (29, 2808485), (37, 2201245), (47, 1732895), (85, 958189), (95, 857327), (145, 561697), (185, 440249), (235, 346579), (323, 252155), (493, 165205), (551, 147815), (629, 129485), (703, 115855), (799, 101935), (893, 91205), (1073, 75905), (1363, 59755), (1615, 50431), (1739, 46835), (2465, 33041), (2755, 29563), (3145, 25897), (3515, 23171), (3995, 20387), (4465, 18241), (5365, 15181), (6815, 11951), (8695, 9367)]