199292401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2701

約数の個数: 32

約数和(自身を含む): 265402368

約数和(自身を除く): 66109967

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 989, 1771, 2617, 3311, 6923, 10879, 18319, 28787, 60191, 76153, 112531, 201509, 421337, 662101, 787717, 1237841, 2588213, 4634707, 8664887, 18117491, 28470343, 199292401]

約数ペア:

[(1, 199292401), (7, 28470343), (11, 18117491), (23, 8664887), (43, 4634707), (77, 2588213), (161, 1237841), (253, 787717), (301, 662101), (473, 421337), (989, 201509), (1771, 112531), (2617, 76153), (3311, 60191), (6923, 28787), (10879, 18319)]