821408546

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{422101}}^1$

素因数の和:422249

約数の個数: 16

約数和(自身を含む): 1418262720

約数和(自身を除く): 596854174

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 422101, 844202, 2954707, 5909414, 58672039, 117344078, 410704273, 821408546]

約数ペア:

[(1, 821408546), (2, 410704273), (7, 117344078), (14, 58672039), (139, 5909414), (278, 2954707), (973, 844202), (1946, 422101)]