492740017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{278227}}^1$

素因数の和:278268

約数の個数: 16

約数和(自身を含む): 641037312

約数和(自身を除く): 148297295

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 278227, 1947589, 3060497, 6399221, 21423479, 44794547, 70391431, 492740017]

約数ペア:

[(1, 492740017), (7, 70391431), (11, 44794547), (23, 21423479), (77, 6399221), (161, 3060497), (253, 1947589), (1771, 278227)]