161865172

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{44129}}^1$

素因数の和:44271

約数の個数: 24

約数和(自身を含む): 326208960

約数和(自身を除く): 164343788

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 44129, 88258, 176516, 308903, 617806, 1235612, 5780899, 11561798, 23123596, 40466293, 80932586, 161865172]

約数ペア:

[(1, 161865172), (2, 80932586), (4, 40466293), (7, 23123596), (14, 11561798), (28, 5780899), (131, 1235612), (262, 617806), (524, 308903), (917, 176516), (1834, 88258), (3668, 44129)]