340890064

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{401993}}^1$

素因数の和:402054

約数の個数: 20

約数和(自身を含む): 672937956

約数和(自身を除く): 332047892

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 401993, 803986, 1607972, 3215944, 6431888, 21305629, 42611258, 85222516, 170445032, 340890064]

約数ペア:

[(1, 340890064), (2, 170445032), (4, 85222516), (8, 42611258), (16, 21305629), (53, 6431888), (106, 3215944), (212, 1607972), (424, 803986), (848, 401993)]