208078689

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 354461184

約数和(自身を除く): 146382495

約数列:

[1, 3, 7, 13, 21, 39, 53, 73, 91, 159, 197, 219, 273, 371, 511, 591, 689, 949, 1113, 1379, 1533, 2067, 2561, 2847, 3869, 4137, 4823, 6643, 7683, 10441, 11607, 14381, 14469, 17927, 19929, 27083, 31323, 43143, 50297, 53781, 73087, 81249, 100667, 135733, 150891, 186953, 219261, 302001, 352079, 407199, 560859, 762193, 950131, 1056237, 1308671, 2286579, 2850393, 3926013, 5335351, 9908509, 16006053, 29725527, 69359563, 208078689]

約数ペア:

[(1, 208078689), (3, 69359563), (7, 29725527), (13, 16006053), (21, 9908509), (39, 5335351), (53, 3926013), (73, 2850393), (91, 2286579), (159, 1308671), (197, 1056237), (219, 950131), (273, 762193), (371, 560859), (511, 407199), (591, 352079), (689, 302001), (949, 219261), (1113, 186953), (1379, 150891), (1533, 135733), (2067, 100667), (2561, 81249), (2847, 73087), (3869, 53781), (4137, 50297), (4823, 43143), (6643, 31323), (7683, 27083), (10441, 19929), (11607, 17927), (14381, 14469)]