199892287

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{4831}}^1$

素因数の和:5118

約数の個数: 16

約数和(自身を含む): 239357952

約数和(自身を除く): 39465665

約数列:

[1, 7, 23, 161, 257, 1799, 4831, 5911, 33817, 41377, 111113, 777791, 1241567, 8690969, 28556041, 199892287]

約数ペア:

[(1, 199892287), (7, 28556041), (23, 8690969), (161, 1241567), (257, 777791), (1799, 111113), (4831, 41377), (5911, 33817)]