208417716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{907}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 569141664

約数和(自身を除く): 360723948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 491, 907, 982, 1473, 1814, 1964, 2721, 2946, 3628, 4419, 5442, 5892, 6383, 8163, 8838, 10884, 11791, 12766, 16326, 17676, 19149, 23582, 25532, 32652, 35373, 38298, 47164, 57447, 70746, 76596, 106119, 114894, 141492, 212238, 229788, 424476, 445337, 890674, 1336011, 1781348, 2672022, 4008033, 5344044, 5789381, 8016066, 11578762, 16032132, 17368143, 23157524, 34736286, 52104429, 69472572, 104208858, 208417716]

約数ペア:

[(1, 208417716), (2, 104208858), (3, 69472572), (4, 52104429), (6, 34736286), (9, 23157524), (12, 17368143), (13, 16032132), (18, 11578762), (26, 8016066), (36, 5789381), (39, 5344044), (52, 4008033), (78, 2672022), (117, 1781348), (156, 1336011), (234, 890674), (468, 445337), (491, 424476), (907, 229788), (982, 212238), (1473, 141492), (1814, 114894), (1964, 106119), (2721, 76596), (2946, 70746), (3628, 57447), (4419, 47164), (5442, 38298), (5892, 35373), (6383, 32652), (8163, 25532), (8838, 23582), (10884, 19149), (11791, 17676), (12766, 16326)]