290918306

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21011}}^1$

素因数の和:21086

約数の個数: 32

約数和(自身を含む): 532528128

約数和(自身を除く): 241609822

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1978, 6923, 13846, 21011, 42022, 147077, 294154, 483253, 903473, 966506, 1806946, 3382771, 6324311, 6765542, 12648622, 20779879, 41559758, 145459153, 290918306]

約数ペア:

[(1, 290918306), (2, 145459153), (7, 41559758), (14, 20779879), (23, 12648622), (43, 6765542), (46, 6324311), (86, 3382771), (161, 1806946), (301, 966506), (322, 903473), (602, 483253), (989, 294154), (1978, 147077), (6923, 42022), (13846, 21011)]