213328856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66169}}^1$

素因数の和:66219

約数の個数: 32

約数和(自身を含む): 444662400

約数和(自身を除く): 231333544

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 66169, 132338, 264676, 529352, 860197, 1720394, 2051239, 3440788, 4102478, 6881576, 8204956, 16409912, 26666107, 53332214, 106664428, 213328856]

約数ペア:

[(1, 213328856), (2, 106664428), (4, 53332214), (8, 26666107), (13, 16409912), (26, 8204956), (31, 6881576), (52, 4102478), (62, 3440788), (104, 2051239), (124, 1720394), (248, 860197), (403, 529352), (806, 264676), (1612, 132338), (3224, 66169)]