198067177

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 253016064

約数和(自身を除く): 54948887

約数列:

[1, 7, 11, 73, 77, 167, 211, 511, 803, 1169, 1477, 1837, 2321, 5621, 12191, 12859, 15403, 16247, 35237, 85337, 107821, 134101, 169433, 246659, 387607, 938707, 1186031, 2572301, 2713249, 18006107, 28295311, 198067177]

約数ペア:

[(1, 198067177), (7, 28295311), (11, 18006107), (73, 2713249), (77, 2572301), (167, 1186031), (211, 938707), (511, 387607), (803, 246659), (1169, 169433), (1477, 134101), (1837, 107821), (2321, 85337), (5621, 35237), (12191, 16247), (12859, 15403)]