213886435

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 323979264

約数和(自身を除く): 110092829

約数列:

[1, 5, 7, 17, 35, 61, 71, 83, 85, 119, 305, 355, 415, 427, 497, 581, 595, 1037, 1207, 1411, 2135, 2485, 2905, 4331, 5063, 5185, 5893, 6035, 7055, 7259, 8449, 9877, 21655, 25315, 29465, 30317, 35441, 36295, 41251, 42245, 49385, 73627, 86071, 100181, 151585, 177205, 206255, 359473, 368135, 430355, 500905, 515389, 602497, 701267, 1797365, 2516311, 2576945, 3012485, 3506335, 6111041, 12581555, 30555205, 42777287, 213886435]

約数ペア:

[(1, 213886435), (5, 42777287), (7, 30555205), (17, 12581555), (35, 6111041), (61, 3506335), (71, 3012485), (83, 2576945), (85, 2516311), (119, 1797365), (305, 701267), (355, 602497), (415, 515389), (427, 500905), (497, 430355), (581, 368135), (595, 359473), (1037, 206255), (1207, 177205), (1411, 151585), (2135, 100181), (2485, 86071), (2905, 73627), (4331, 49385), (5063, 42245), (5185, 41251), (5893, 36295), (6035, 35441), (7055, 30317), (7259, 29465), (8449, 25315), (9877, 21655)]