690523197

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 1180354560

約数和(自身を除く): 489831363

約数列:

[1, 3, 7, 13, 21, 39, 43, 59, 91, 129, 177, 273, 301, 413, 559, 767, 903, 997, 1239, 1677, 2301, 2537, 2991, 3913, 5369, 6979, 7611, 11739, 12961, 16107, 17759, 20937, 32981, 38883, 42871, 53277, 58823, 90727, 98943, 128613, 176469, 230867, 272181, 300097, 411761, 557323, 692601, 764699, 900291, 1235283, 1671969, 2294097, 2529389, 3901261, 5352893, 7588167, 11703783, 16058679, 17705723, 32882057, 53117169, 98646171, 230174399, 690523197]

約数ペア:

[(1, 690523197), (3, 230174399), (7, 98646171), (13, 53117169), (21, 32882057), (39, 17705723), (43, 16058679), (59, 11703783), (91, 7588167), (129, 5352893), (177, 3901261), (273, 2529389), (301, 2294097), (413, 1671969), (559, 1235283), (767, 900291), (903, 764699), (997, 692601), (1239, 557323), (1677, 411761), (2301, 300097), (2537, 272181), (2991, 230867), (3913, 176469), (5369, 128613), (6979, 98943), (7611, 90727), (11739, 58823), (12961, 53277), (16107, 42871), (17759, 38883), (20937, 32981)]