661229569

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 980294400

約数和(自身を除く): 319064831

約数列:

[1, 7, 11, 13, 17, 49, 61, 77, 91, 119, 143, 169, 187, 221, 343, 427, 539, 637, 671, 793, 833, 1001, 1037, 1183, 1309, 1547, 1859, 2431, 2873, 2989, 3773, 4459, 4697, 5551, 5831, 7007, 7259, 8281, 8723, 9163, 10309, 10829, 11407, 13013, 13481, 17017, 20111, 20923, 31603, 32879, 38857, 49049, 50813, 57967, 61061, 64141, 72163, 75803, 79849, 91091, 94367, 113399, 119119, 140777, 148291, 175253, 221221, 230153, 271999, 355691, 427427, 505141, 558943, 637637, 660569, 793793, 833833, 985439, 1038037, 1226771, 1548547, 1927783, 2991989, 3535987, 3912601, 4623983, 5556551, 7266259, 8587397, 10839829, 13494481, 38895857, 50863813, 60111779, 94461367, 661229569]

約数ペア:

[(1, 661229569), (7, 94461367), (11, 60111779), (13, 50863813), (17, 38895857), (49, 13494481), (61, 10839829), (77, 8587397), (91, 7266259), (119, 5556551), (143, 4623983), (169, 3912601), (187, 3535987), (221, 2991989), (343, 1927783), (427, 1548547), (539, 1226771), (637, 1038037), (671, 985439), (793, 833833), (833, 793793), (1001, 660569), (1037, 637637), (1183, 558943), (1309, 505141), (1547, 427427), (1859, 355691), (2431, 271999), (2873, 230153), (2989, 221221), (3773, 175253), (4459, 148291), (4697, 140777), (5551, 119119), (5831, 113399), (7007, 94367), (7259, 91091), (8281, 79849), (8723, 75803), (9163, 72163), (10309, 64141), (10829, 61061), (11407, 57967), (13013, 50813), (13481, 49049), (17017, 38857), (20111, 32879), (20923, 31603)]