207821497

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 233808120

約数和(自身を除く): 25986623

約数列:

[1, 13, 41, 89, 169, 337, 533, 1157, 3649, 4381, 6929, 13817, 15041, 29993, 47437, 56953, 179621, 389909, 616681, 1229713, 2335073, 5068817, 15986269, 207821497]

約数ペア:

[(1, 207821497), (13, 15986269), (41, 5068817), (89, 2335073), (169, 1229713), (337, 616681), (533, 389909), (1157, 179621), (3649, 56953), (4381, 47437), (6929, 29993), (13817, 15041)]