211671685687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{660337}}^1$

素因数の和:660559

約数の個数: 32

約数和(自身を含む): 276898212864

約数和(自身を除く): 65226527177

約数列:

[1, 7, 11, 23, 77, 161, 181, 253, 1267, 1771, 1991, 4163, 13937, 29141, 45793, 320551, 660337, 4622359, 7263707, 15187751, 50845949, 106314257, 119520997, 167065261, 836646979, 1169456827, 1314730967, 2748982931, 9203116769, 19242880517, 30238812241, 211671685687]

約数ペア:

[(1, 211671685687), (7, 30238812241), (11, 19242880517), (23, 9203116769), (77, 2748982931), (161, 1314730967), (181, 1169456827), (253, 836646979), (1267, 167065261), (1771, 119520997), (1991, 106314257), (4163, 50845949), (13937, 15187751), (29141, 7263707), (45793, 4622359), (320551, 660337)]