2172976001

素因数分解:

$7^3\times {\mathrm{223}}^1\times {\mathrm{28409}}^1$

素因数の和:28653

約数の個数: 16

約数和(自身を含む): 2545536000

約数和(自身を除く): 372559999

約数列:

[1, 7, 49, 223, 343, 1561, 10927, 28409, 76489, 198863, 1392041, 6335207, 9744287, 44346449, 310425143, 2172976001]

約数ペア:

[(1, 2172976001), (7, 310425143), (49, 44346449), (223, 9744287), (343, 6335207), (1561, 1392041), (10927, 198863), (28409, 76489)]