68990148

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 186207840

約数和(自身を除く): 117217692

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 278, 306, 417, 556, 612, 811, 834, 1251, 1622, 1668, 2363, 2433, 2502, 3244, 4726, 4866, 5004, 7089, 7299, 9452, 9732, 13787, 14178, 14598, 21267, 27574, 28356, 29196, 41361, 42534, 55148, 82722, 85068, 112729, 124083, 165444, 225458, 248166, 338187, 450916, 496332, 676374, 1014561, 1352748, 1916393, 2029122, 3832786, 4058244, 5749179, 7665572, 11498358, 17247537, 22996716, 34495074, 68990148]

約数ペア:

[(1, 68990148), (2, 34495074), (3, 22996716), (4, 17247537), (6, 11498358), (9, 7665572), (12, 5749179), (17, 4058244), (18, 3832786), (34, 2029122), (36, 1916393), (51, 1352748), (68, 1014561), (102, 676374), (139, 496332), (153, 450916), (204, 338187), (278, 248166), (306, 225458), (417, 165444), (556, 124083), (612, 112729), (811, 85068), (834, 82722), (1251, 55148), (1622, 42534), (1668, 41361), (2363, 29196), (2433, 28356), (2502, 27574), (3244, 21267), (4726, 14598), (4866, 14178), (5004, 13787), (7089, 9732), (7299, 9452)]