208828188

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 548664480

約数和(自身を除く): 339836292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 317, 348, 522, 631, 634, 951, 1044, 1262, 1268, 1893, 1902, 2524, 2853, 3786, 3804, 5679, 5706, 7572, 9193, 11358, 11412, 18299, 18386, 22716, 27579, 36598, 36772, 54897, 55158, 73196, 82737, 109794, 110316, 164691, 165474, 200027, 219588, 329382, 330948, 400054, 600081, 658764, 800108, 1200162, 1800243, 2400324, 3600486, 5800783, 7200972, 11601566, 17402349, 23203132, 34804698, 52207047, 69609396, 104414094, 208828188]

約数ペア:

[(1, 208828188), (2, 104414094), (3, 69609396), (4, 52207047), (6, 34804698), (9, 23203132), (12, 17402349), (18, 11601566), (29, 7200972), (36, 5800783), (58, 3600486), (87, 2400324), (116, 1800243), (174, 1200162), (261, 800108), (317, 658764), (348, 600081), (522, 400054), (631, 330948), (634, 329382), (951, 219588), (1044, 200027), (1262, 165474), (1268, 164691), (1893, 110316), (1902, 109794), (2524, 82737), (2853, 73196), (3786, 55158), (3804, 54897), (5679, 36772), (5706, 36598), (7572, 27579), (9193, 22716), (11358, 18386), (11412, 18299)]