494978239

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{180847}}^1$

素因数の和:180894

約数の個数: 16

約数和(自身を含む): 625010688

約数和(自身を除く): 130032449

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 180847, 1265929, 3074399, 4159481, 21520793, 29116367, 70711177, 494978239]

約数ペア:

[(1, 494978239), (7, 70711177), (17, 29116367), (23, 21520793), (119, 4159481), (161, 3074399), (391, 1265929), (2737, 180847)]