201643747

素因数分解:

${\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 220064688

約数和(自身を除く): 18420941

約数列:

[1, 31, 37, 53, 107, 961, 1147, 1643, 1961, 3317, 3959, 5671, 35557, 50933, 60791, 102827, 122729, 175801, 209827, 1884521, 3804599, 5449831, 6504637, 201643747]

約数ペア:

[(1, 201643747), (31, 6504637), (37, 5449831), (53, 3804599), (107, 1884521), (961, 209827), (1147, 175801), (1643, 122729), (1961, 102827), (3317, 60791), (3959, 50933), (5671, 35557)]