209991306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{733}}^1$

素因数の和:1123

約数の個数: 64

約数和(自身を含む): 507340800

約数和(自身を除く): 297349494

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 359, 399, 718, 733, 798, 1077, 1466, 2154, 2199, 2513, 4398, 5026, 5131, 6821, 7539, 10262, 13642, 13927, 15078, 15393, 20463, 27854, 30786, 40926, 41781, 47747, 83562, 95494, 97489, 143241, 194978, 263147, 286482, 292467, 526294, 584934, 789441, 1578882, 1842029, 3684058, 4999793, 5526087, 9999586, 11052174, 14999379, 29998758, 34998551, 69997102, 104995653, 209991306]

約数ペア:

[(1, 209991306), (2, 104995653), (3, 69997102), (6, 34998551), (7, 29998758), (14, 14999379), (19, 11052174), (21, 9999586), (38, 5526087), (42, 4999793), (57, 3684058), (114, 1842029), (133, 1578882), (266, 789441), (359, 584934), (399, 526294), (718, 292467), (733, 286482), (798, 263147), (1077, 194978), (1466, 143241), (2154, 97489), (2199, 95494), (2513, 83562), (4398, 47747), (5026, 41781), (5131, 40926), (6821, 30786), (7539, 27854), (10262, 20463), (13642, 15393), (13927, 15078)]