638321762

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{147011}}^1$

素因数の和:147193

約数の個数: 16

約数和(自身を含む): 1037316672

約数和(自身を除く): 398994910

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 147011, 294022, 1911143, 3822286, 24550837, 49101674, 319160881, 638321762]

約数ペア:

[(1, 638321762), (2, 319160881), (13, 49101674), (26, 24550837), (167, 3822286), (334, 1911143), (2171, 294022), (4342, 147011)]