207810239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 270842880

約数和(自身を除く): 63032641

約数列:

[1, 7, 13, 19, 91, 133, 247, 263, 457, 1729, 1841, 3199, 3419, 4997, 5941, 8683, 23933, 34979, 41587, 60781, 64961, 112879, 120191, 454727, 790153, 841337, 1562483, 2283629, 10937381, 15985403, 29687177, 207810239]

約数ペア:

[(1, 207810239), (7, 29687177), (13, 15985403), (19, 10937381), (91, 2283629), (133, 1562483), (247, 841337), (263, 790153), (457, 454727), (1729, 120191), (1841, 112879), (3199, 64961), (3419, 60781), (4997, 41587), (5941, 34979), (8683, 23933)]