81265146664

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{18121}}^1$

素因数の和:18291

約数の個数: 96

約数和(自身を含む): 171918339840

約数和(自身を除く): 90653193176

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 107, 124, 169, 214, 248, 338, 403, 428, 676, 806, 856, 1352, 1391, 1612, 2782, 3224, 3317, 5239, 5564, 6634, 10478, 11128, 13268, 18083, 18121, 20956, 26536, 36166, 36242, 41912, 43121, 72332, 72484, 86242, 144664, 144968, 172484, 235573, 344968, 471146, 560573, 561751, 942292, 1121146, 1123502, 1884584, 1938947, 2242292, 2247004, 3062449, 3877894, 4484584, 4494008, 6124898, 7302763, 7755788, 12249796, 14605526, 15511576, 24499592, 25206311, 29211052, 50412622, 58422104, 60107357, 94935919, 100825244, 120214714, 189871838, 201650488, 240429428, 327682043, 379743676, 480858856, 655364086, 759487352, 781395641, 1310728172, 1562791282, 2621456344, 3125582564, 6251165128, 10158143333, 20316286666, 40632573332, 81265146664]

約数ペア:

[(1, 81265146664), (2, 40632573332), (4, 20316286666), (8, 10158143333), (13, 6251165128), (26, 3125582564), (31, 2621456344), (52, 1562791282), (62, 1310728172), (104, 781395641), (107, 759487352), (124, 655364086), (169, 480858856), (214, 379743676), (248, 327682043), (338, 240429428), (403, 201650488), (428, 189871838), (676, 120214714), (806, 100825244), (856, 94935919), (1352, 60107357), (1391, 58422104), (1612, 50412622), (2782, 29211052), (3224, 25206311), (3317, 24499592), (5239, 15511576), (5564, 14605526), (6634, 12249796), (10478, 7755788), (11128, 7302763), (13268, 6124898), (18083, 4494008), (18121, 4484584), (20956, 3877894), (26536, 3062449), (36166, 2247004), (36242, 2242292), (41912, 1938947), (43121, 1884584), (72332, 1123502), (72484, 1121146), (86242, 942292), (144664, 561751), (144968, 560573), (172484, 471146), (235573, 344968)]