81255748

素因数分解:

$2^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{7577}}^1$

素因数の和:7971

約数の個数: 24

約数和(自身を含む): 162957312

約数和(自身を除く): 81701564

約数列:

[1, 2, 4, 7, 14, 28, 383, 766, 1532, 2681, 5362, 7577, 10724, 15154, 30308, 53039, 106078, 212156, 2901991, 5803982, 11607964, 20313937, 40627874, 81255748]

約数ペア:

[(1, 81255748), (2, 40627874), (4, 20313937), (7, 11607964), (14, 5803982), (28, 2901991), (383, 212156), (766, 106078), (1532, 53039), (2681, 30308), (5362, 15154), (7577, 10724)]