77809868

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 138322800

約数和(自身を除く): 60512932

約数列:

[1, 2, 4, 109, 179, 218, 358, 436, 716, 997, 1994, 3988, 19511, 39022, 78044, 108673, 178463, 217346, 356926, 434692, 713852, 19452467, 38904934, 77809868]

約数ペア:

[(1, 77809868), (2, 38904934), (4, 19452467), (109, 713852), (179, 434692), (218, 356926), (358, 217346), (436, 178463), (716, 108673), (997, 78044), (1994, 39022), (3988, 19511)]