81490206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 196116480

約数和(自身を除く): 114626274

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 41, 42, 74, 82, 111, 123, 222, 246, 259, 287, 518, 574, 777, 861, 1279, 1517, 1554, 1722, 2558, 3034, 3837, 4551, 7674, 8953, 9102, 10619, 17906, 21238, 26859, 31857, 47323, 52439, 53718, 63714, 94646, 104878, 141969, 157317, 283938, 314634, 331261, 367073, 662522, 734146, 993783, 1101219, 1940243, 1987566, 2202438, 3880486, 5820729, 11641458, 13581701, 27163402, 40745103, 81490206]

約数ペア:

[(1, 81490206), (2, 40745103), (3, 27163402), (6, 13581701), (7, 11641458), (14, 5820729), (21, 3880486), (37, 2202438), (41, 1987566), (42, 1940243), (74, 1101219), (82, 993783), (111, 734146), (123, 662522), (222, 367073), (246, 331261), (259, 314634), (287, 283938), (518, 157317), (574, 141969), (777, 104878), (861, 94646), (1279, 63714), (1517, 53718), (1554, 52439), (1722, 47323), (2558, 31857), (3034, 26859), (3837, 21238), (4551, 17906), (7674, 10619), (8953, 9102)]