80471538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{638663}}^1$

素因数の和:638678

約数の個数: 24

約数和(自身を含む): 199263168

約数和(自身を除く): 118791630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 638663, 1277326, 1915989, 3831978, 4470641, 5747967, 8941282, 11495934, 13411923, 26823846, 40235769, 80471538]

約数ペア:

[(1, 80471538), (2, 40235769), (3, 26823846), (6, 13411923), (7, 11495934), (9, 8941282), (14, 5747967), (18, 4470641), (21, 3831978), (42, 1915989), (63, 1277326), (126, 638663)]