639427559

素因数分解:

${\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 659466720

約数和(自身を除く): 20039161

約数列:

[1, 61, 157, 179, 373, 9577, 10919, 22753, 28103, 58561, 66767, 1714283, 3572221, 4072787, 10482419, 639427559]

約数ペア:

[(1, 639427559), (61, 10482419), (157, 4072787), (179, 3572221), (373, 1714283), (9577, 66767), (10919, 58561), (22753, 28103)]