821842196

素因数分解:

$2^2\times 7^1\times {\mathrm{29351507}}^1$

素因数の和:29351518

約数の個数: 12

約数和(自身を含む): 1643684448

約数和(自身を除く): 821842252

約数列:

[1, 2, 4, 7, 14, 28, 29351507, 58703014, 117406028, 205460549, 410921098, 821842196]

約数ペア:

[(1, 821842196), (2, 410921098), (4, 205460549), (7, 117406028), (14, 58703014), (28, 29351507)]