766709825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 1158425856

約数和(自身を除く): 391716031

約数列:

[1, 5, 7, 25, 31, 35, 47, 97, 155, 175, 217, 235, 329, 485, 679, 775, 961, 1085, 1175, 1457, 1645, 2425, 3007, 3395, 4559, 4805, 5425, 6727, 7285, 8225, 10199, 15035, 16975, 21049, 22795, 24025, 31913, 33635, 36425, 45167, 50995, 75175, 93217, 105245, 113975, 141329, 159565, 168175, 225835, 254975, 316169, 466085, 526225, 652519, 706645, 797825, 989303, 1129175, 1580845, 2330425, 3262595, 3533225, 4381199, 4946515, 7904225, 16312975, 21905995, 24732575, 30668393, 109529975, 153341965, 766709825]

約数ペア:

[(1, 766709825), (5, 153341965), (7, 109529975), (25, 30668393), (31, 24732575), (35, 21905995), (47, 16312975), (97, 7904225), (155, 4946515), (175, 4381199), (217, 3533225), (235, 3262595), (329, 2330425), (485, 1580845), (679, 1129175), (775, 989303), (961, 797825), (1085, 706645), (1175, 652519), (1457, 526225), (1645, 466085), (2425, 316169), (3007, 254975), (3395, 225835), (4559, 168175), (4805, 159565), (5425, 141329), (6727, 113975), (7285, 105245), (8225, 93217), (10199, 75175), (15035, 50995), (16975, 45167), (21049, 36425), (22795, 33635), (24025, 31913)]