77789768

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3499}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 167160000

約数和(自身を除く): 89370232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1588, 2779, 3176, 3499, 5558, 6998, 11116, 13996, 22232, 24493, 27992, 48986, 97972, 195944, 1389103, 2778206, 5556412, 9723721, 11112824, 19447442, 38894884, 77789768]

約数ペア:

[(1, 77789768), (2, 38894884), (4, 19447442), (7, 11112824), (8, 9723721), (14, 5556412), (28, 2778206), (56, 1389103), (397, 195944), (794, 97972), (1588, 48986), (2779, 27992), (3176, 24493), (3499, 22232), (5558, 13996), (6998, 11116)]