213840914

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{492721}}^1$

素因数の和:492761

約数の個数: 16

約数和(自身を含む): 378410496

約数和(自身を除く): 164569582

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 492721, 985442, 3449047, 6898094, 15274351, 30548702, 106920457, 213840914]

約数ペア:

[(1, 213840914), (2, 106920457), (7, 30548702), (14, 15274351), (31, 6898094), (62, 3449047), (217, 985442), (434, 492721)]