166639921

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{8263}}^1$

素因数の和:8380

約数の個数: 16

約数和(自身を含む): 197807104

約数和(自身を除く): 31167183

約数列:

[1, 7, 43, 67, 301, 469, 2881, 8263, 20167, 57841, 355309, 553621, 2487163, 3875347, 23805703, 166639921]

約数ペア:

[(1, 166639921), (7, 23805703), (43, 3875347), (67, 2487163), (301, 553621), (469, 355309), (2881, 57841), (8263, 20167)]