20172817

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1171}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 24302592

約数和(自身を除く): 4129775

約数列:

[1, 7, 23, 107, 161, 749, 1171, 2461, 8197, 17227, 26933, 125297, 188531, 877079, 2881831, 20172817]

約数ペア:

[(1, 20172817), (7, 2881831), (23, 877079), (107, 188531), (161, 125297), (749, 26933), (1171, 17227), (2461, 8197)]