27991726

素因数分解:

$2^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{4639}}^1$

素因数の和:5079

約数の個数: 16

約数和(自身を含む): 48107520

約数和(自身を除く): 20115794

約数列:

[1, 2, 7, 14, 431, 862, 3017, 4639, 6034, 9278, 32473, 64946, 1999409, 3998818, 13995863, 27991726]

約数ペア:

[(1, 27991726), (2, 13995863), (7, 3998818), (14, 1999409), (431, 64946), (862, 32473), (3017, 9278), (4639, 6034)]