1855211281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{21493}}^1$

素因数の和:21589

約数の個数: 32

約数和(自身を含む): 2476108800

約数和(自身を除く): 620897519

約数列:

[1, 7, 11, 19, 59, 77, 133, 209, 413, 649, 1121, 1463, 4543, 7847, 12331, 21493, 86317, 150451, 236423, 408367, 1268087, 1654961, 2858569, 4492037, 8876609, 13948957, 24093653, 31444259, 97642699, 168655571, 265030183, 1855211281]

約数ペア:

[(1, 1855211281), (7, 265030183), (11, 168655571), (19, 97642699), (59, 31444259), (77, 24093653), (133, 13948957), (209, 8876609), (413, 4492037), (649, 2858569), (1121, 1654961), (1463, 1268087), (4543, 408367), (7847, 236423), (12331, 150451), (21493, 86317)]