79928849

素因数分解:

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

素因数の和:127

約数の個数: 72

約数和(自身を含む): 118445544

約数和(自身を除く): 38516695

約数列:

[1, 7, 11, 13, 17, 49, 61, 77, 91, 119, 121, 143, 187, 221, 427, 539, 637, 671, 793, 833, 847, 1001, 1037, 1309, 1547, 1573, 2057, 2431, 2989, 4697, 5551, 5929, 7007, 7259, 7381, 8723, 9163, 10829, 11011, 11407, 13481, 14399, 17017, 26741, 32879, 38857, 50813, 51667, 61061, 77077, 79849, 94367, 95953, 100793, 119119, 125477, 148291, 187187, 361669, 427427, 558943, 660569, 671671, 878339, 1038037, 1310309, 1631201, 4701697, 6148373, 7266259, 11418407, 79928849]

約数ペア:

[(1, 79928849), (7, 11418407), (11, 7266259), (13, 6148373), (17, 4701697), (49, 1631201), (61, 1310309), (77, 1038037), (91, 878339), (119, 671671), (121, 660569), (143, 558943), (187, 427427), (221, 361669), (427, 187187), (539, 148291), (637, 125477), (671, 119119), (793, 100793), (833, 95953), (847, 94367), (1001, 79849), (1037, 77077), (1309, 61061), (1547, 51667), (1573, 50813), (2057, 38857), (2431, 32879), (2989, 26741), (4697, 17017), (5551, 14399), (5929, 13481), (7007, 11407), (7259, 11011), (7381, 10829), (8723, 9163)]